InChI=1/C20H19BrN2O4/c1-3-27-19(24)16-17(12-7-9-15(26-2)10-8-12)22-20(25)23-18(16)13-5-4-6-14(21)11-13/h4-11,18H,3H2,1-2H3,(H2,22,23,25)/t18-/m0/s1/f/h22-23H	11BB3873B9B62B90