ethyl (3S)-3-[[2-[(3S)-2-oxo-3-[2-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)ethyl]pyrrolidin-1-yl]acetyl]amino]-3-pyridin-3-ylpropanoate                                                                                                                                                              在
                                                                                                                                                                                 
盐酸                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 3-(2-{2-Oxo-3-[2-(5,6,7,8-tetrahydro-[1,8]naphthyridin-2-yl)-ethyl]-pyrrolidin-1-yl}-acetylamino)-3-pyridin-3-yl-propionic acid