methyl 3,4-difluoro-2-[2-fluoro-4-(2-hydroxyethyl)anilino]benzoate 以
乙醇 为溶剂,
以to afford 3,4-difluoro-2-[2-fluoro-4-(2-hydroxyethyl)anilino]benzoic acid as a crystalline cream solid (93%)的产率得到3,4-difluoro-2-[2-fluoro-4-(2-hydroxyethyl)anilino]benzoic acid