InChI=1/C21H21BrN2O4/c1-2-3-11-23-20(26)17-18(15-12-13(22)9-10-16(15)25)24(28-19(17)21(23)27)14-7-5-4-6-8-14/h4-10,12,17-19,25H,2-3,11H2,1H3/t17-,18-,19-/m0/s1	28F8C8331710AEF8