2-(4-fluorophenyl)-5-[(1-methylethyl)oxy]-6-[(methylsulfonyl)amino]-1-benzofuran-3-carboxylic acid

甲胺

4-氟苯甲酰乙酸甲酯

苯醌

methyl 2-(4-fluorophenyl)-5-hydroxy-1-benzofuran-3-carboxylate