膦酰乙酸三乙酯

[Bis-(4-nitro-phenoxy)-phosphoryl]-acetic acid ethyl ester

二正丁基碲

(乙氧基羰基甲基)三苯基溴化膦

2-[(ethoxycarbonyl)methyl]-2-oxo-4,5-dimethyl-1,3,2-dioxaphospholane