InChI=1/C19H22BrN3O4/c20-16-6-15(23(26)27)5-14(17(16)24)10-21-22-18(25)19-7-11-1-2-12(8-19)4-13(3-11)9-19/h5-6,10-13,24H,1-4,7-9H2,(H,22,25)/p-1/b21-10+/t11-,12+,13?,19?/fC19H21BrN3O4/h24h,22H/q-1 9DAFBC2B261C54EF