InChI=1S/C16H17N3O3S/c20-12-6-9(15(23)19-12)14-13-8(5-11(18-14)16(21)22)7-3-1-2-4-10(7)17-13/h1-4,9,11-12,14,17-18,20H,5-6H2,(H,19,23)(H,21,22)