is conjugate acid of penicillin methicillin(1-) methicillin (2S,5R,6R)-6-[(2,6-dimethoxybenzoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 380.104 380.41500 6beta-(2,6-dimethoxybenzamido)-2,2-dimethylpenam-3alpha-carboxylic acid 6beta-(2,6-dimethoxybenzamido)penicillanic acid A penicillin that is 6-aminopenicillanic acid in which one of the amino hydrogens is replaced by a 2,6-dimethoxybenzoyl group. Beilstein:966227 C17H20N2O6S CAS:61-32-5 CHEBI:6827 DrugBank:DB01603 Drug_Central:1744 InChI=1S/C17H20N2O6S/c1-17(2)12(16(22)23)19-14(21)11(15(19)26-17)18-13(20)10-8(24-3)6-5-7-9(10)25-4/h5-7,11-12,15H,1-4H3,(H,18,20)(H,22,23)/t11-,12+,15-/m1/s1 KEGG:C07177 Methicillin PMID:11969119 PMID:12569987 PMID:24405901 PMID:24433925 PMID:26962156 RJQXTJLFIWVMTO-TYNCELHUSA-N Reaxys:966227 Wikipedia:Meticillin [H][C@]12SC(C)(C)[C@@H](N1C(=O)[C@H]2NC(=O)c1c(OC)cccc1OC)C(O)=O chebi_ontology meticilina meticillin meticilline meticillinum