5-(2-bromoethynyl)-4-iodo-6-methoxypyrimidine

4,6-二氯嘧啶-5-羧酸氯

5-(2-bromoethynyl)-4-chloro-6-methoxypyrimidine

2-(4-chloro-6-methoxypyrimidin-5-yl)ethynyl-trimethylsilane

2-(4-iodo-6-methoxypyrimidin-5-yl)ethynyl-trimethylsilane