has functional parent penicillin ampicillin epicillin 351.125 351.42100 6beta-[(2R)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetamido]-2,2-dimethylpenam-3alpha-carboxylic acid A penicillin in which the substituent at position 6 of the penam ring is a (2R)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetamido group. Beilstein:1091831 C16H21N3O4S CAS:26774-90-3 CHEBI:58974 Dexacillin Dihydroampicillin Drug_Central:1025 InChI=1S/C16H21N3O4S/c1-16(2)11(15(22)23)19-13(21)10(14(19)24-16)18-12(20)9(17)8-6-4-3-5-7-8/h3-4,7,9-11,14H,5-6,17H2,1-2H3,(H,18,20)(H,22,23)/t9-,10-,11+,14-/m1/s1 PMID:1170316 PMID:1701026 PMID:4404324 PMID:7191790 PMID:9689 Patent:DE2161659 RPBAFSBGYDKNRG-NJBDSQKTSA-N Reaxys:1091831 Wikipedia:Epicillin [H][C@]12SC(C)(C)[C@@H](N1C(=O)[C@H]2NC(=O)[C@H](N)C1=CCC=CC1)C(O)=O chebi_ontology epicilina epicillin epicilline epicillinum