InChI=1S/C16H17N3O2S/c20-16(21)12-7-10-8-3-1-2-4-11(8)18-14(10)13(19-12)9-5-6-17-15(9)22/h1-4,9,12-13,18-19H,5-7H2,(H,17,22)(H,20,21)