InChI=1/C21H25BrN2O3/c1-5-13(2)16-7-9-20(18(22)10-16)27-12-21(26)24-17-8-6-14(3)19(11-17)23-15(4)25/h6-11,13H,5,12H2,1-4H3,(H,23,25)(H,24,26)/t13-/m0/s1/f/h23-24H 98A0035FD2018D3F