InChI=1/C16H19BrN2O2S/c17-13-7-5-6-12(10-13)14-11-22-16(18-14)9-4-2-1-3-8-15(20)19-21/h5-7,10-11,21H,1-4,8-9H2,(H,19,20)/f/h19H 81FF846D0395BF95