InChI=1/C12H11N3O4S/c16-11-4-3-8(9-2-1-5-13-9)6-10(11)15-7-12(17)14-20(15,18)19/h1-6,13,16H,7H2,(H,14,17)/p-1/fC12H10N3O4S/q-1 B30A3075A1BFD046