A pyrimidine derivative having the formula:
wherein X is a halogen atom, a lower alkyl group or a phenoxy group (wherein said phenoxy group may be substituted by halogen, lower alkyl or lower alkoxy), and R is a hydrogen atom, a lower alkyl group, an alkoxyalkyl group, a benzyloxyalkyl group, an alkoxycarbonyl alkyl group, a cyanoalkyl group or a
group (wherein R¹ is a hydrogen atom or a lower alkyl group, and R² is a lower alkyl group or a phenyl group which may be substituted by nitro), or a salt thereof.
一种
嘧啶衍
生物,其式如下
其中 X 为卤素原子、低级烷基或苯氧基(其中所述苯氧基可被卤素、低级烷基或低级烷氧基取代),R 为氢原子、低级烷基、烷氧基烷基、苄氧基烷基、烷氧基羰基烷基、
氰基烷基或
其中 R¹ 是氢原子或低级烷基,R² 是低级烷基或可被硝基取代的苯基),或其盐。