methyl 9-((5-(difluoromethyl)-6-((cis-4-(trifluoromethyl)cyclohexyl)oxy)naphthalene-2-yl)methyl)-9-azabicyclo[3.3.1]nonane-3-carboxylate 以60%的产率得到9-((5-(difluoromethyl)-6-((cis-4-(trifluoromethyl)cyclohexyl)oxy)naphthalene-2-yl)methyl)-9-azabicyclo[3.3.1]nonane-3-carboxylic acid