1H-1,2,4-三唑   、                                                                                      2,5-dichloro-6-methyl-4-(3-chloro-4-methoxybenzylamino)-thieno-[2,3-d]-pyrimidine                                                                                                                                                                                                                                                                                                          以gives 2-(1,2,4-triazol-1-yl)-5-chloro-6-methyl-4-(3-chloro-4-methoxybenzylamino)-thieno-[2,3-d]-pyrimidine的产率得到2-(1,2,4-triazol-1-yl)-5-chloro-6-methyl-4-(3-chloro-4-methoxybenzylamino)thieno[2,3-d]pyrimidine