InChI=1/C21H23N3O9S/c1-33-16-4-6-17(7-5-16)34(31,32)24-10-14-8-15(23(11-19(25)26)12-20(27)28)3-2-13(14)9-18(24)21(29)22-30/h2-8,18,30H,9-12H2,1H3,(H,22,29)(H,25,26)(H,27,28)/p-2/t18-/m1/s1/fC21H21N3O9S/h22H/q-2 75B131B8ABCB00D2