Benzyl 3-hydroxy-4-{4-[3-(2-methoxybenzyloxy)propoxy]phenyl}piperidine-1-carboxylate   、                                                                                      
methyl 4-bromomethyl-2-(3-methoxypropoxy)benzoate                                                                                                                                                                                                                                                                                                          生成                                                 Benzyl 4-{4-[3-(2-methoxybenzyloxy)propoxy]phenyl}-3-[4-methoxycarbonyl-3-(3-methoxypropoxy)benzyloxy]piperidine-1-carboxylate