5,8-dihydroxy-3,4-dihydro-1H-quinolin-2-one

乙酸酐

2,5-二甲氧基苯胺

3-[(2,5-二甲氧基苯基)氨基]-3-氧代丙酸

N-(2',5'-dimethoxyphenyl)-2-ethoxycarbonylacetamide