InChI=1S/C18H23BrN4O7/c19-9-15(26)20-8-6-14(25)23-13(10-24)16(27)21-7-5-11-1-3-12(4-2-11)22-17(28)18(29)30/h1-4,13,24H,5-10H2,(H,20,26)(H,21,27)(H,22,28)(H,23,25)(H,29,30)/t13-/m0/s1