4-(5-fluoro-3-mercaptophenyl)-4-methoxytetrahydropyran

4'-[5-fluoro-3-(4-methoxytetrahydropyran-4-yl)phenylthio]-2'-methoxyacetophenone

间溴苯酚

硫酸

4-溴-2-甲氧基苯乙酮