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

4-chloro-1-(4-fluorophenyl)pyrazolo[3,4-d]pyrimidine

4,6-二甲氧基-5-嘧啶甲醛

2-(7-氯-3H-吡唑并[4,3-d]嘧啶-3-基)乙醇

4-氯-1-(4-氯苯基)-1H-吡唑并[3,4-d]嘧啶