has functional parent cefalexin pivoxil 461.162 461.533 C(OCOC(C(C)(C)C)=O)(=O)C=1N2[C@@]([C@@H](C2=O)NC([C@H](N)C3=CC=CC=C3)=O)(SCC1C)[H] C22H27N3O6S CAS:27726-31-4 CHEBI:135750 DIGADQKVPFDJSI-SPYBWZPUSA-N Drug_Central:2217 InChI=1S/C22H27N3O6S/c1-12-10-32-19-15(24-17(26)14(23)13-8-6-5-7-9-13)18(27)25(19)16(12)20(28)30-11-31-21(29)22(2,3)4/h5-9,14-15,19H,10-11,23H2,1-4H3,(H,24,26)/t14-,15-,19-/m1/s1 chebi_ontology pivalexin pivcephalexin pivaloyloxymethyl ester cephalexin cephams