InChI=1/C21H25BrN2O4/c1-4-14(2)18-7-5-6-8-19(18)28-15(3)21(26)24-23-20(25)13-27-17-11-9-16(22)10-12-17/h5-12,14-15H,4,13H2,1-3H3,(H,23,25)(H,24,26)/t14-,15+/m1/s1/f/h23-24H	75BC8C1972873CDD