InChI=1S/C13H21N3O3S/c1-8(17)6-14-11(18)5-3-2-4-10-12-9(7-20-10)15-13(19)16-12/h9-10,12H,2-7H2,1H3,(H,14,18)(H2,15,16,19)/t9-,10+,12-/m0/s1 5-[(3aS,4R,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]-N-(2-oxopropyl)pentanamide CC(=O)CNC(=O)CCCC[C@H]1SC[C@@H]2NC(=O)N[C@H]12 CC(=O)CNC(=O)CCCC[CH]1SC[CH]2NC(=O)N[CH]12