2-methylimidazo[1,2-a]pyrimidine

methyl N-pyrimidin-2-ylcarbamate

N-嘧啶-2-基氨基甲酸苯酯

N-pyridin-2-ylpyrimidin-2-amine

6-chloro-2-methyl-3-pyrimidin-2-ylquinazolin-4-one