β-羟基苯丙酸乙酯

三乙基氯化锡

ethyl 2-(1,3,2-benzodioxaphosphol-2-yl)acetate

ethyl 3-acetyloxy-5-phenylpent-4-enoate

ethyl 5-phenyl-3-triethylstannyloxypent-4-enoate