(+-)-10,11-Dihydro-12-((dimethylphosphinyl)methyl)-5H-dibenzo(a,d)cyclohepten-5,10-imine 50537-21-8 5H-Dibenzo(a,d)cyclohepten-5,10-imine, 10,11-dihydro-12-((dimethylphosphinyl)methyl)-, (+-)- dl-12-Dimethylphosphoromethyl-10,11-dihydro-5,10-imino-(5H)-dibenzo(a,d)cycloheptene