InChI=1/C21H21N5O4S/c1-4-21(3)19(29)26(20(30)23-21)24-15(27)9-25-11-22-17-16(18(25)28)14(10-31-17)13-7-5-12(2)6-8-13/h5-8,10-11H,4,9H2,1-3H3,(H,23,30)(H,24,27)/t21-/m1/s1/f/h23-24H F774BAC23DCB21E6