1,3-二(3-二甲氧基磷酰丙基)嘧啶-2,4-二酮

1-dimethoxyphosphorylbut-2-en-1-ol

dimethyl (2-methoxy-3-methyl-2-oxido-1,2-oxaphospholan-5-yl)phosphonate

1-chloro-4-dimethoxyphosphorylbenzene