4,6-dichloro-N-ethylpyrimidin-2-amine

N-benzyl-4,6-dichloropyrimidin-2-amine

6-chloro-2-methylsulfonyl-N-phenylpyrimidin-4-amine

6-chloro-N-(4-methoxyphenyl)-2-methylsulfonylpyrimidin-4-amine