carbapenems Epithienamycin A 314.094 314.35700 C13H18N2O5S CHEBI:81039 C[C@H](O)[C@H]1[C@H]2CC(SCCNC(C)=O)=C(N2C1=O)C(O)=O InChI=1S/C13H18N2O5S/c1-6(16)10-8-5-9(21-4-3-14-7(2)17)11(13(19)20)15(8)12(10)18/h6,8,10,16H,3-5H2,1-2H3,(H,14,17)(H,19,20)/t6-,8+,10-/m0/s1 KEGG:C17372 VUDXUIMGYZQRKK-IONOHQLYSA-N chebi_ontology