(4-((4-chlorophenethyl)amino)piperidin-1-yl)(2,6-difluorophenyl)methanone   、                                                                                      
聚合甲醛   、                                                                                      
acetic acid-[4-(2,3-dimethyl-5-oxo-2,5-dihydro-pyrazol-1-yl)-anilide]                                                                                                                                                              在
                                                                                                                                                                                 
氯化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
异丙醇                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 N-(4-(4-(((4-chlorophenethyl)(1-(2,6-difluorobenzoyl)piperidin-4-yl)amino)methyl)-1,5-dimethyl-3-oxo-1H-pyrazol-2(3H)-yl)phenyl)acetamide