1-[2-(dimethylamino)ethyl]-3-[4-(7-morpholin-4-yl-3-piperidin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl)phenyl]urea   、                                                                                      
5-甲基-2-噻吩甲醛   、                                                                                      
三乙酰氧基硼氢化钠   、                                                                                      
溶剂黄146                                                                                                                                                                                              以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以to give the product (16 mg, 52% yield)的产率得到1-[2-(dimethylamino)ethyl]-3-[4-(3-{1-[(5-methyl-2-thienyl)methyl]piperidin-4-yl}-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-yl)phenyl]urea