4'-[5-fluoro-3-(4-methoxytetrahydropyran-4-yl)phenylthio]-2-hydroxyacetophenone 、
盐酸羟胺 以to give (E)-4'-[5-fluoro-3-(4-methoxytetrahydropyran-4-yl)phenylthio]-α-hydroxyacetophenone oxime in 59% yield, m.p. 145°-146° C.的产率得到(E)-4'-[5-fluoro-3-(4-methoxytetrahydropyran-4-yl)phenylthio]-α-hydroxyacetophenone oxime