6-甲氧基-4-甲基香豆素

3-甲基-1H-吡咯-2,4-二羧酸二乙酯

3-乙基-5-甲基-4-异唑甲酸乙酯

9-propylidene-fluorene

5-Hydroxy-4-methyl-biphenyl-3-carboxylic acid ethyl ester