双(二乙基胺基)磷酰氯

2-(diethylamino)-3-[bis(diethylamino)phosphino]-2,3-dihydro-1,3,2-benzoxazaphosphole

1,3-bis-2-(diethylamino)-2,3-dihydro-1H-1,3,2-benzodiazaphosphole

1,1-diethyl-3-phenylurea