InChI=1/C16H19BrN2O2S/c17-13-9-7-12(8-10-13)14-11-22-16(18-14)6-4-2-1-3-5-15(20)19-21/h7-11,21H,1-6H2,(H,19,20)/f/h19H 8F7E1DE3E75D2AD1