2,2-二羟基丙二酸 1,3-二乙酯

二氟丙二酸二乙酯

ethyl 2,2,3,3-tetrafluoro-3-ethoxypropionate

diethyl 2-hydroxy-2-(1-methylindol-3-yl)propanedioate

3,5-dioxo-2H-1,2,4-triazine-6-carboxylic acid