InChI=1/C21H19N3O4S/c1-12-7-8-15(28-3)18-19(12)29-21(23(18)2)22-20(27)13-5-4-6-14(11-13)24-16(25)9-10-17(24)26/h4-8,11H,9-10H2,1-3H3 4BB9BDEA6C282539