(9bS)-9b-(4-chlorophenyl)-1-(pyridin-3-ylcarbonyl)-1,2,3,9b-tetrahydro-5H-imidazo(1',2':1,2)pyrrolo(3,4-c)pyridin-5-one
(9bs)-9b-(4-chlorophenyl)-1-(pyridin-3-ylcarbonyl)-1,2,3,9b-tetrahydro-5h-imidazo(1',2':1,2)pyrrolo(3,4-c)pyridin-5-one