7-[2-Amino-6-(4-methoxytetrahydropyran-4-yl)pyrimidin-4-yloxymethyl]chroman-4-one 、
盐酸羟胺 以to give 7-[2-amino-6-(4-methoxytetrahydropyran-4-yl)pyrimidin-4-yloxymethyl]chroman-4-one oxime in 79% yield, m.p. 224°-228° C.的产率得到7-[2-amino-6-(4-methoxytetrahydropyran-4-yl)pyrimidin-4-yl-oxymethyl]chroman-4-one oxime