688-49-3
ethyl 2-diethoxyphosphanylacetate
+
74-88-4
甲基碘
→
18359-00-7
ethoxymethyl-(2-ethoxy-2-oxoethyl)-oxophosphanium
15715-41-0
甲基二乙氧基膦
105-36-2
溴代乙酸乙酯