4-(N-(Benzyloxycarbonyl)-N-(2-methylprop-1-yl)amino)piperidine hydrochloride   、                                                                                      1-(SR)-Benzyloxy-3-(SR)-((4-(N-(benzyloxycarbonyl)-N-(ethyl)amino)piperidin-1-yl)methyl)-4-(SR)-phenylcyclopentane hydrochloride salt                                                                                                                                                                                                                                                                                                          生成                                                 1-(RS)-Benzyloxy-3-(SR)-((4-(N-(benzyloxycarbonyl)-N-(2-methylpropyl)amino)piperidin-1-yl)methyl)-4-(SR)-phenylcyclopentane hydrochloride salt