4-氯-5,6-二甲基-嘧啶-2-胺

1-乙酰基-1H-苯并噻唑

2-甲基-3-氧代-3-苯基丙酸乙酯

7,8-Dihydroxy-3,4-dimethyl-2H-chromen-2-one

ethyl 2-(phenylhydrazinylidene)propanoate