Patent ID: 8623877

Claim:
A compound of formula (I): wherein n is 0; m is 1 or 2; p is 1 or 2; X is O or HH; R is CH 3 , ethyl or propyl; R1 is H, CH 3 or OCH 3 ; and R2 is unsubstituted or substituted pyridinyl, pyrimidinyl, quinolinyl, benzoxazolyl or tetrahydro-isoquinolinyl, wherein the substituents are selected from the group consisting of halogen, (C 1 -C 4 )alkyl, (C 1 -C 4 )alkoxy, CF 3 , (C 1 -C 4 )alkyl-NHCO—, para-CH 3 —C 6 H 4 —SO 2 — and pyrrolidinyl; or a salt thereof or an enantiomer or a diastereomer thereof.