InChI=1/C20H18N3O5S/c1-4-13-6-5-7-16-18(13)21-12-17(20(24)22-25)19(16)23(2)29(26,27)15-10-8-14(28-3)9-11-15/h4-12H,1H2,2-3H3,(H-,22,24,25)/q-1/f/h22H D06A76B26CD3B280