5-(1-hydroxy-2,2-diiodoethyl)-2,4-dimethoxypyrimidine

(E)-5-(2-iodovinyl)-2,4-dimethoxypyrimidine

2,4-二甲氧基-5-甲基嘧啶

正丁基锂

5-溴-2,4-二甲氧基嘧啶