1 GYB (8r)-5-(4-amino-3-bromophenyl)-N,8-dimethyl-8,9-dihydro-2h,7h-[1,3]dioxolo[4,5-H][2,3]benzodiazepine-7-carboxamide 1.000 2 GYK (8r)-5-(4-aminophenyl)-N,8-dimethyl-8,9-dihydro-2h,7h-[1,3]dioxolo[4,5-H][2,3]benzodiazepine-7-carboxamide 0.963