1,3,5-苯三羧酸三乙酯

4-methyl-6-(5-methyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one

5-甲基水杨酸

2,3-dimethylchromen-4-one

2,6-二甲基-4H-苯并吡喃-4-酮