InChI=1/C19H13BrN6O5/c20-13-6-1-10(8-15(13)26(29)30)7-14-19(28)31-18(24-14)11-2-4-12(5-3-11)23-17(27)16-21-9-22-25-16/h1-6,8-9,18H,7H2,(H,23,27)(H,21,22,25)/t18-/m0/s1/f/h22-23H 6D9A8EC84C39FAEB