cefetamet pivoxil 511.120 511.575 C(OCOC(C(C)(C)C)=O)(=O)C=1N2[C@@]([C@@H](C2=O)NC(/C(=N\OC)/C=3N=C(SC3)N)=O)(SCC1C)[H] C20H25N5O7S2 CAS:65243-33-6 CHEBI:135812 DASYMCLQENWCJG-XUKDPADISA-N Drug_Central:536 InChI=1S/C20H25N5O7S2/c1-9-6-33-16-12(23-14(26)11(24-30-5)10-7-34-19(21)22-10)15(27)25(16)13(9)17(28)31-8-32-18(29)20(2,3)4/h7,12,16H,6,8H2,1-5H3,(H2,21,22)(H,23,26)/b24-11-/t12-,16-/m1/s1 cefetamet pivoxil HCl cefetamet pivoxil hydrochloride ceftamet pivoxil chebi_ontology pivaloyloxymethyl ester cephams oxime O-ether 1,3-thiazole