ethyl 2-dimethoxyphosphoryl-4-methylpenta-2,3-dienoate

ethyl 1-hydroxynaphthalene-2-carboxylate

乙基3-[4-(三氟甲基)苯基]-2-丙炔酸酯

2-(乙氧羰基)乙烯基乙酸二甲基丁二醇酯

3-二氟甲基-1-甲基吡唑-4-甲酸乙酯