cis-tert-butyl [(1S,2S)-1-[(3,3-difluoropyrrolidin-1-yl)carbonyl]-3-(dimethylamino)-3-oxo-2-(4-[1,2,4]triazolo[1,5-a]pyridin-6-cyclohexyl)propyl]carbamate   、                                                                                      
三氟乙酸                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 cis-(2S,3S)-3-amino-4-(3,3-difluoropyrrolidin-1-yl)-N,N-dimethyl-4-oxo-2-(4-[1,2,4]triazolo[1,5-a]pyridin-6-ylcyclohexyl)butanamide bis(trifluoroacetic acid)salt