InChI=1/C16H19N3O4S/c1-10-3-4-15(20)14(7-10)17-8-13-11(2)18-19(16(13)21)12-5-6-24(22,23)9-12/h3-4,7-8,12,17,20H,5-6,9H2,1-2H3/b13-8+/t12-/m1/s1 1B9F9FAD4F2BA7AD