cephalosporin Cefuroxime axetil 510.106 510.476 C20H22N4O10S CAS:64544-07-6 CHEBI:3516 CO\N=C(/C(=O)N[C@H]1[C@H]2SCC(COC(N)=O)=C(N2C1=O)C(=O)OC(C)OC(C)=O)c1ccco1 Cefuroxime 1-acetoxyethyl ester Cefuroxime axetil Drug_Central:566 InChI=1S/C20H22N4O10S/c1-9(25)33-10(2)34-19(28)15-11(7-32-20(21)29)8-35-18-14(17(27)24(15)18)22-16(26)13(23-30-3)12-5-4-6-31-12/h4-6,10,14,18H,7-8H2,1-3H3,(H2,21,29)(H,22,26)/b23-13-/t10?,14-,18-/m1/s1 KEGG:C08107 KEGG:D00914 KEJCWVGMRLCZQQ-YJBYXUATSA-N altacef cefazine ceftin cefurax chebi_ontology oraxim