InChI=1/C21H21N5O4S/c1-12-5-10-18-22-15(4)19(26(18)11-12)20(27)23-16-6-8-17(9-7-16)31(28,29)25-21-13(2)14(3)24-30-21/h5-11H,1-4H3,(H2,23,24,25,27)/p-1/fC21H20N5O4S/h23H/q-1 D6F2B57B1D73DCD9