InChI=1/C16H18N2O4S/c1-3-22-14-8-6-13(7-9-14)17-16(19)18-23(20,21)15-10-4-12(2)5-11-15/h4-11H,3H2,1-2H3,(H2,17,18,19)/p-1/fC16H17N2O4S/h17H/q-1 BF3996EC4772B5F6