InChI=1/C21H24BrNO5/c1-10(2)28-21(26)17-11(3)23-14-6-5-7-15(24)19(14)18(17)12-8-13(22)20(25)16(9-12)27-4/h8-10,17-18,25H,5-7H2,1-4H3/t17-,18-/m0/s1 7EA3B06857E2D4AB