InChI=1/C21H29BrN4O4/c1-4-6-12-25(20(28)14(3)30-16-10-8-15(22)9-11-16)17-18(23)26(13-7-5-2)21(29)24-19(17)27/h8-11,14H,4-7,12-13,23H2,1-3H3,(H,24,27,29)/t14-/m0/s1/f/h24H A68EBCE079A8EDFD