PYRIMIDINE DERIVATIVES

摘要

Compounds of the general formula (I) wherein each of the symbols X represents a nitrogen atom and each of the symbols Y and Z represents -CH- or each of the symbols Y represents a nitrogen atom and each of the symbols X and Z represents-CH- or each of the symbols Z represents a nitrogen atom and each of the symbols X and Y represents -CH- and one of the symbols R1 and R2 represents a cyano group and the o??er represents a straight-chain alkyl group containing 1 to 7 carbon atoms, a straight-chain alkoxy group containing 1 to 7 carbon atoms or a straight-chain alkanoyloxy group containing 2 to 7 carbon atoms, and the manufacture thereof are disclosed.