InChI=1/C15H19N3O4S/c1-10-3-5-12(6-4-10)23(20,21)9-14-16-15(22-17-14)13-7-11(19)8-18(13)2/h3-6,11,13,19H,7-9H2,1-2H3/p+1/t11-,13+/m1/s1/fC15H20N3O4S/h18H/q+1 D3BC841080C0A1C4