titleOfInvention |
Use of 4-[(4-n,n-diethylaminocarbonyl)-phenyl]-spiro[5-hydroxy-2h,1-benzopyran-2,4'-piperidine] , or 4-[(4-n,n-diethylaminocarbonyl-2-hydroxy)phenyl]-spiro[2h,1-benzopyran-2,4'-piperidine] in the preparation of a medicament for inhibiting or treating pain |