is conjugate acid of 6-aminopenicillanic acid 6-aminopenicillanate (2S,5R,6R)-6-amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 215.049 215.25062 C8H11N2O3S CHEBI:12207 CHEBI:20704 CHEBI:30938 Gmelin:604420 InChI=1S/C8H12N2O3S/c1-8(2)4(7(12)13)10-5(11)3(9)6(10)14-8/h3-4,6H,9H2,1-2H3,(H,12,13)/p-1/t3-,4+,6-/m1/s1 KEGG:C02954 NGHVIOIJCVXTGV-ALEPSDHESA-M [H][C@@]1(N)C(=O)N2[C@]1([H])SC(C)(C)[C@]2([H])C([O-])=O chebi_ontology penicillinate anion