InChI=1/C16H17N3O3S/c1-8-12-13(10-4-6-11(7-5-10)16(21)22-3)23-9(2)15(20)17-14(12)19-18-8/h4-7,9,13H,1-3H3,(H2,17,18,19,20)/t9-,13+/m1/s1/f/h17,19H B8E251E32F477008