cephalosporin Cefclidin 550.142 550.614 C21H26N8O6S2 CAS:105239-91-6 CHEBI:3484 CO\N=C(/C(=O)N[C@H]1[C@H]2SCC(C[N+]34CCC(CC3)(CC4)C(N)=O)=C(N2C1=O)C([O-])=O)c1nsc(N)n1 Cefclidin InChI=1S/C21H26N8O6S2/c1-35-26-11(14-25-20(23)37-27-14)15(30)24-12-16(31)28-13(18(32)33)10(9-36-17(12)28)8-29-5-2-21(3-6-29,4-7-29)19(22)34/h12,17H,2-9H2,1H3,(H5-,22,23,24,25,27,30,32,33,34)/b26-11-/t12-,17-,21?,29?/m1/s1 JUVHVMCKLDZLGN-TVNFHGJBSA-N KEGG:C11202 chebi_ontology