clometocillin (2S,5R,6R)-6-[2-(3,4-dichlorophenyl)(methoxy)acetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 3,4-dichloro-alpha-methoxybenzylpenicillin 432.031 433.308 6-(alpha-methoxy-3,4-dichlorophenylacetamido)penicillanic acid A penicillin that is benzylpenicillin in which the phenylacetyl group has been replaced by a (3,4-dichlorophenyl)(methoxy)acetyl group. It is a mixture of epimers at the methoxy-bearing carbon. C17H18Cl2N2O5S C=1(C(=CC=C(C1)C(C(N[C@]2([C@@]3(N(C2=O)[C@](C(S3)(C)C)(C(O)=O)[H])[H])[H])=O)OC)Cl)Cl CAS:1926-49-4 CHEBI:131732 Drug_Central:699 InChI=1S/C17H18Cl2N2O5S/c1-17(2)12(16(24)25)21-14(23)10(15(21)27-17)20-13(22)11(26-3)7-4-5-8(18)9(19)6-7/h4-6,10-12,15H,1-3H3,(H,20,22)(H,24,25)/t10-,11?,12+,15-/m1/s1 JKXQBIZCQJLVOS-GSNLGQFWSA-N KEGG:D07236 PMID:14128892 PMID:4218940 PMID:9578165 Patent:US3007920 Reaxys:13779003 Wikipedia:Clometocillin chebi_ontology clometacillin clomethacillin clometocilina clometocillin clometocilline clometocillinum penicillin 356 penicillin dichlorobenzene semisynthetic derivative