乙酸O-异丙基苯基酯

1,1-二甲基丙-2-炔基乙酸酯

1,3-二乙酰氧基苯

3-甲氧基丙酸乙酯

ethyl 2-(4-nitroanilino)-4-oxo-5-[(3,4,5-trimethoxyphenyl)methylidene]thiophene-3-carboxylate