InChI=1/C21H26N4O4S/c1-13(2)20(21(27)23-19-11-14(3)7-9-22-19)24-30(28,29)17-5-6-18-16(12-17)8-10-25(18)15(4)26/h5-7,9,11-13,20,24H,8,10H2,1-4H3,(H,22,23,27)/t20-/m0/s1/f/h23H 5E38E0064BA086EB