cephalosporin quaternary nitrogen compound LSM-5686 481.133 481.572 C19H25N6O5S2 CHEBI:94672 C[N+]1(CCCC1)CC2=C(N3[C@@H]([C@H](C3=O)NC(=O)C(=NOC)C4=CSC(=N4)N)SC2)C(=O)O HVFLCNVBZFFHBT-SUMWQHHRSA-O InChI=1S/C19H24N6O5S2/c1-25(5-3-4-6-25)7-10-8-31-17-13(16(27)24(17)14(10)18(28)29)22-15(26)12(23-30-2)11-9-32-19(20)21-11/h9,13,17H,3-8H2,1-2H3,(H3-,20,21,22,26,28,29)/p+1/t13-,17+/m0/s1 LINCS:LSM-5686 chebi_ontology