InChI=1/C20H25BrN4O4S/c1-13-10-16(21)6-9-18(13)24-19(26)11-23-20(27)12-25(3)14(2)15-4-7-17(8-5-15)30(22,28)29/h4-10,14H,11-12H2,1-3H3,(H,23,27)(H,24,26)(H2,22,28,29)/p+1/t14-/m1/s1/fC20H26BrN4O4S/h23-25H,22H2/q+1 4C837FBFD0F1D994