carbapenems Asparenomycin A 340.073 340.35200 C14H16N2O6S CC(=O)N\C=C\S(=O)C1=C(N2[C@H](C1)\C(=C(\C)CO)C2=O)C(O)=O CHEBI:81062 InChI=1S/C14H16N2O6S/c1-7(6-17)11-9-5-10(23(22)4-3-15-8(2)18)12(14(20)21)16(9)13(11)19/h3-4,9,17H,5-6H2,1-2H3,(H,15,18)(H,20,21)/b4-3+,11-7+/t9-,23?/m1/s1 KEGG:C17400 KJQZKTFSANMFQJ-RPGQRGOQSA-N chebi_ontology