(9CI)-2-氯-4-乙炔嘧啶

N-tert-butyl-4-[2-(4-fluorophenyl)ethynyl]pyrimidin-2-amine

N-tert-butyl-4-(2-trimethylsilylethynyl)pyrimidin-2-amine

N-propan-2-yl-4-(2-trimethylsilylethynyl)pyrimidin-2-amine

N-tert-butyl-4-ethynylpyrimidin-2-amine