methyl 4-[[[[1-[4-(aminoiminomethyl)phenyl]-2(3H)-oxo-1H-imidazol-3-yl]methyl]carbonyl]amino]butanoate trifluoroacetate                                                                                                                                                              在
                                                                                                                                         pig liver esterase                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         ammonium sulfate                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 4-[[[[1-[4-(aminoiminomethyl)phenyl]-2(3H)-oxo-1H-imidazol-3-yl]methyl]carbonyl]amino]butanoic acid trifluoroacetate