InChI=1/C20H23BrN2O4/c1-20(2,9-12-3-5-13(21)6-4-12)22-10-17(25)15-7-14(24)8-16-19(15)27-11-18(26)23-16/h3-8,17,22,24-25H,9-11H2,1-2H3,(H,23,26)/p+1/t17-/m0/s1/fC20H24BrN2O4/h22-23H/q+1 D5097DBEF4D745BB