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MSDS  : 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-, monopotassium salt
CAS  : 113-98-4
SYNONYMS  : * Benzylpenicillinic acid potassium salt * Benzylpenicillin potassium * Benzylpenicillin potassium salt * Cristapen * Eskacillin * Falapen * Forpen * Hipercilina * Hyasorb * Hylenta * Megacillin tablets * Monopen * Notaral * Novocillin vet. * Penicillin G potassium * Pentid * Pentids * Pfizerpen * Potassium benzylpenicillin * Potassium benzylpenicillinate * Potassium benzylpenicillin G * Potassium penicillin G * Potassium salt of benzylpenicillin * Qidpen G * Scotcil * SK-Penicillin G * Sugracillin * Tabilin
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : XH9700000
CHEMICAL NAME : 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,
3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-,
monopotassium salt
CAS REGISTRY NUMBER : 113-98-4
LAST UPDATED : 199707
DATA ITEMS CITED : 21
MOLECULAR FORMULA : C16-H17-N2-O4-S.K
MOLECULAR WEIGHT : 372.51
WISWESSER LINE NOTATION : T45 ANV ESTJ CMV1R& F1 F1 GVQ &-KA-
COMPOUND DESCRIPTOR : Mutagen
SYNONYMS/TRADE NAMES :
* Benzylpenicillinic acid potassium salt
* Benzylpenicillin potassium
* Benzylpenicillin potassium salt
* Cristapen
* Eskacillin
* Falapen
* Forpen
* Hipercilina
* Hyasorb
* Hylenta
* Megacillin tablets
* Monopen
* Notaral
* Novocillin vet.
* Penicillin G potassium
* Pentid
* Pentids
* Pfizerpen
* Potassium benzylpenicillin
* Potassium benzylpenicillinate
* Potassium benzylpenicillin G
* Potassium penicillin G
* Potassium salt of benzylpenicillin
* Qidpen G
* Scotcil
* SK-Penicillin G
* Sugracillin
* Tabilin

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 8900 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ANTCAO Antibiotics and Chemotherapy (Washington, DC). (Washington, DC)
V.1-12, 1951-62. For publisher information, see CLMEA3.
Volume(issue)/page/year: 12,249,1962

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >2 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 11250 mg/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
9,445,1966

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 243 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >2 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 6257 mg/kg
TOXIC EFFECTS :
Behavioral - excitement
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4-
1898- Volume(issue)/page/year: 125,83,1960

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >2 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 240 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >2 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intracerebral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 2 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
PLMEAA Planta Medica. (Georg Thieme Verlag, Postfach 732, D-7000 Stuttgart
1, Fed. Rep. Ger.) V.1- 1953- Volume(issue)/page/year: 49,103,1983

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 5848 mg/kg
TOXIC EFFECTS :
Behavioral - hallucinations, distorted perceptions
Lungs, Thorax, or Respiration - respiratory depression
Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
ANTCAO Antibiotics and Chemotherapy (Washington, DC). (Washington, DC)
V.1-12, 1951-62. For publisher information, see CLMEA3.
Volume(issue)/page/year: 10,376,1960

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 382 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - dyspnea
Gastrointestinal - ulceration or bleeding from stomach
REFERENCE :
ANTCAO Antibiotics and Chemotherapy (Washington, DC). (Washington, DC)
V.1-12, 1951-62. For publisher information, see CLMEA3.
Volume(issue)/page/year: 11,276,1961

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 374 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 303 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
RPOBAR Research Progress in Organic-Biological and Medicinal Chemistry. (New
York, NY) V.1-3, 1964-72. Discontinued. Volume(issue)/page/year:
2,306,1970

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 1180 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - other changes
REFERENCE :
ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher
information, see AMACCQ. Volume(issue)/page/year: 3,534,1955/1956

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 312 mg/kg/14W-I
TOXIC EFFECTS :
Gastrointestinal - changes in pancreatic weight
Kidney, Ureter, Bladder - changes in bladder weight
Related to Chronic Data - death
REFERENCE :
ANTCAO Antibiotics and Chemotherapy (Washington, DC). (Washington, DC)
V.1-12, 1951-62. For publisher information, see CLMEA3.
Volume(issue)/page/year: 12,249,1962

** MUTATION DATA **

TYPE OF TEST : Sperm Morphology
ROUTE OF EXPOSURE : Unreported
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 200 mg/kg/8D
REFERENCE :
JOURAA Journal of Urology. (Williams & Wilkins Co., 428 E. Preston St.,
Baltimore, MD 21202) V.1- 1917- Volume(issue)/page/year: 112,348,1974

*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 81952
No. of Facilities: 1261 (estimated)
No. of Industries: 2
No. of Occupations: 3
No. of Employees: 3510 (estimated)

NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 81952
No. of Facilities: 504 (estimated)
No. of Industries: 3
No. of Occupations: 10
No. of Employees: 27005 (estimated)
No. of Female Employees: 20458 (estimated)

*** STATUS IN U.S. ***

EPA GENETOX PROGRAM 1988, Negative: Histidine reversion-Ames test

EPA TSCA Section 8(b) CHEMICAL INVENTORY


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((2,2-dimethyl-1-oxopropyl)amino)-7-oxo-, monosodium salt 20520-33-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((2,3-dioxo-4-propyl-1-piperazinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 65125-88-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 61477-96-1
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((3-fluoro-4-methoxyphenoxy)acetyl)amino)-7-oxo-, monopotassiumsalt, (2S-(2-alpha,5-alpha,6-beta))- 15440-46-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-hexanamido-7-oxo- 4493-18-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(3-hexenamido)-7-oxo- 118-53-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((2-hydroxybenzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-,(2S-(2-alpha,5-alpha,6-beta(S*)))- 143667-43-0
Thallium selenide 12039-52-0
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(2-(p-hydroxyphenyl) acetamido)-7-oxo- 525-91-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((4-hydroxy-3-(2-propenyl)benzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5- alpha,6-beta(S*)))- 143667-51-0
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((4-(methylamino)benzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta (S*)))- 143667-45-2
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((3-methylbenzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-,(2S-(2-alpha,5-alpha,6-beta(S*)))- 143667-42-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((4-methyl-2,3-dioxo-1-piperazinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 59723-60-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((4-methylphenoxy)acetyl)amino)-7-oxo-, monopotassium salt,(2S-(2-alpha,5-alpha,6-beta))- 15545-38-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(5-methyl-3-phenyl-4-isoxazolecarboxamide)-7-oxo- 66-79-5
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(5-methyl-3-phenyl-4-isoxazolecarboxamido)-7-oxo-, monosodium salt 1173-88-2
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((3-(methylsulfonyl)-2-oxo-1-imidazolidinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, sodium salt,(2S-(2-alpha,5-alpha,6-beta)(S*))- 42057-22-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-octanamido-7-oxo- 525-97-3
Thallium(I) selenite 525-97-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((4-octyl-2,3-dioxo-1-piperazinyl)carboxyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 59703-98-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(butylthio acetamido)- 6192-29-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-, 4,4-dioxide, sodium salt,(2S-cis)- 69388-84-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(((((2-oxo-1-imidazolidinyl)carbonyl)amino)phenylacetyl)amino)-,monosodium salt, (2S-(2-alpha,5-alpha,6-beta(S*)))- 37091-65-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenoxyacetamido)-, compd.with N,N'-dibenzylethylenediamine (2:1) 5928-84-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenoxyacetamido)-, compd.with4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-N-((4-(2-hydroxyethyl)-1-piperazinyl)methyl)-6- methyl-1,11-dioxo-2-naphthacenecarboxamide (1:1) 4599-60-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy- acetamido)-,monopotassium salt 132-98-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy acetamido)-,monosodium salt 1098-87-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((((((4-phenoxybenzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 143729-85-5
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy butyramido)-, compd.with dibenzylamine 102367-60-2
Thallium sulfate 10031-59-1
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenoxybutyramido)-,monopotassium salt 1245-44-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenoxybutyramido)-, sodiumsalt 31090-17-2
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy butyramido)-,monosodium salt, L- 102367-61-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((phenoxyphenyl acetyl)amino)-,monopotassium salt 1177-30-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenoxypropionamido)- 147-55-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenoxypropionamido)-,monopotassium salt 132-93-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)- 61-33-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo- 6-(2-phenylacetamido)-, ammoniumsalt 61-33-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenyl acetamido)-, compd.with dibenzylamine 7179-52-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-, compd.with N,N'-dibenzylethylenediamine (2:1) 1538-09-6
Thallium(I) sulfate (21) 7446-18-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenylacetamido)-, compd.with 2-(diethylamino)ethyl p-aminobenzoate (1:1) 54-35-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxilic acid,3,3-dimethyl-7-oxo-6-(2-phenyl acetamido)-, compd.with 2-(diethylamino)ethyl p-aminobenzoate (1:1),monohydrate 6130-64-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-,2-(diethylamino)ethyl ester 3689-73-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-, compdwith ephedrine (1:1) 7177-45-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-, compd.with alpha,alpha'-(ethylenediimino)di-o-cresol 3841-12-1
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-,monopotassium salt 113-98-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenyl acetamido)-,monosodium salt 69-57-8
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-2S-(2-alpha,5-alpha,6-beta))-, compd. with(1R-(1-alpha(1R*,4aS*,10aR*),4a-beta,10a-alpha))-N,N'-bis((1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methyle thyl)-1-phenanthrenyl)methyl)-1,2-ethanediamine (2:1) 3344-16-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-(2S-(2-alpha,5-alpha,6-beta))-,compd. with 1-p-chlorobenzyl-2-pyrrolidyl-methylbenzimidazol 3344-16-9

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