N,N,4,4,6-pentamethyl-1H-pyrimidin-2-amine

2-氨基-4-氯-6-胍基嘧啶

6-methylpyrido[2,3-d]pyrimidine-2,4-diamine

5-[(1-methylindol-3-yl)methyl]pyrimidine-2,4-diamine

6-(dimethoxymethyl)pyrido[2,3-d]pyrimidine-2,4-diamine