InChI=1/C25H26BrNO4/c1-14(2)31-18-7-4-15(5-8-18)16-10-21-25(22(28)11-16)20(13-24(29)27-21)19-12-17(26)6-9-23(19)30-3/h4-9,12,14,16,20H,10-11,13H2,1-3H3,(H,27,29)/t16-,20-/m1/s1/f/h27H 78E5613876F08B42