InChI=1/C22H25BrN2O7/c1-4-5-8-30-20(27)17-18(24)25-15-7-6-13(23)11-14(15)22(17)16(12(2)32-21(22)28)19(26)31-10-9-29-3/h6-7,11,17H,4-5,8-10H2,1-3H3,(H2,24,25)/t17-,22-/m1/s1/f/h24H2 5FFD67490890D786