[2-chloro-4-(6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenoxy]-acetic acid   、                                                                                      tert-butyl N-[2-[(1-oxo-4-phenyl-2,3,3a,4-tetrahydropyrrolo[2,1-c][1,4]benzothiazin-7-yl)methylamino]ethyl]carbamate                                                                                                                                                              在
                                                                                                                                                                                 
N-羟基-7-氮杂苯并三氮唑   、                                                                                                  
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         DMF (N,N-dimethyl-formamide)                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
2-[2-chloro-4-(6-oxo(1,4,5-trihydropyridazin-3-yl))phenoxy]-N-(2-{[(1-oxo-4-phenyl(4H,3ah-benzo[e]pyrrolidino[2,1-c]1,4-thiazaperhydroin-7-yl))methyl]amino}ethyl)acetamide