pivaloyloxymethyl ester Cefteram pivoxil 593.147 593.639 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)(SCC1CN4N=C(N=N4)C)[H] C22H27N9O7S2 CAS:82547-81-7 CHEBI:31381 Cefteram pivoxil Drug_Central:560 InChI=1S/C22H27N9O7S2/c1-10-26-29-30(27-10)6-11-7-39-18-14(25-16(32)13(28-36-5)12-8-40-21(23)24-12)17(33)31(18)15(11)19(34)37-9-38-20(35)22(2,3)4/h8,14,18H,6-7,9H2,1-5H3,(H2,23,24)(H,25,32)/b28-13-/t14-,18-/m1/s1 KEGG:D01686 T 2588 Tomiron (TN) UIYAXIPXULMHAI-JLGRZTKVSA-N chebi_ontology tomiron tetrazoles cephams oxime O-ether 1,3-thiazole