MK826 493.098 493.556 C21H23N3O7S2 CC(O)C1C2C(C)C(SC3NC(CS3)C(=O)Nc3cccc(c3)C(O)=O)=C(N2C1=O)C(O)=O CHEBI:29621 InChI=1S/C21H23N3O7S2/c1-8-14-13(9(2)25)18(27)24(14)15(20(30)31)16(8)33-21-23-12(7-32-21)17(26)22-11-5-3-4-10(6-11)19(28)29/h3-6,8-9,12-14,21,23,25H,7H2,1-2H3,(H,22,26)(H,28,29)(H,30,31) KEGG:C12017 MK826 WQQHQJCEAFGLEA-UHFFFAOYSA-N chebi_ontology carbapenems