InChI=1/C21H17N5O7S/c1-11-9-18(25-33-11)24-19(27)12(2)32-20(28)13-3-5-14(6-4-13)26-34(30,31)15-7-8-16-17(10-15)23-21(29)22-16/h3-10,12,26H,1-2H3,(H,24,25,27)/p+2/t12-/m1/s1/fC21H19N5O7S/h22-24H/q+2 A2D52523309D8E08