9-顺式视黄醛

反式-2-己烯酸乙酯

4-ethoxy-2-methylbut-3-yn-2-ol

ethyl 3,3,3-trichloro-2-(4-methylphenyl)propanoate

ethyl 3,3,3-trichloro-2-(3,4-dimethylphenyl)propanoate