InChI=1/C20H19BrN4O5/c1-12(13-6-8-15(21)9-7-13)22-17(26)11-24-18(27)20(2,23-19(24)28)14-4-3-5-16(10-14)25(29)30/h3-10,12H,11H2,1-2H3,(H,22,26)(H,23,28)/t12-,20+/m1/s1/f/h22-23H AE5A259EDD4431BC