5-氯-3-(4-氯苯基)-1,2,4-噻嗪-6-羧酸乙酯

2-羟基丙二酸二乙酯

2-(4-ethylphenyl)-2-hydroxyacetic acid

苯并环丁烯酮

1-Oxo-isochroman-3,3-dicarboxylic acid diethyl ester