5-chloro-10-phenyl-5,10-dihydro-acridophosphine

(2-benzhydryl-phenyl)-phosphonous acid dichloride

10-tert-butyl-5-phenyl-5,10-dihydro-acridophosphine

10-tert-butyl-5-phenyl-5,10-dihydro-acridophosphin-10-ol

5-cyclohexyl-1,2,3,4,4a,5a,6,7,8,9,9a,10a-dodecahydroacridophosphin-10-one