4-(chloromethyl)-6,7-dimethoxychromen-2-one

Ethyl [2-(4-fluorophenyl)-1,3-oxazol-4-yl]acetate

2,4-二甲基噁唑-5-羧酸乙酯

4-苯胺基呋喃-2(5H)-酮

对甲氧基苯胺