Patent ID: 6962942

Claim:
A compound having Formula I: or pharmaceutically acceptable salts thereof; wherein Q is C 6-14 aryl, C 6-14 ar(C 1-4 )alkyl, C 6-14 ar(C 2-4 )alkenyl, pyridyl, thienyl, indolyl, quinolinyl, benzothienyl, or imidazolyl; any of which can include one or more optional substituents independently selected from halo, trifluoromethyl, hydroxy, amino, nitro, cyano, C 1-3 alkoxy, C 1-3 alkyl, methylenedioxy, carboxyamino, C 1-4 alkoxycarbonylamino, C 6-10 aryloxycarbonylamino, C 7-11 aralkoxycarbonylamino, aminocarbonyl, mono- or di-(C 1-4 )alkylaminocarbonyl, acetamido, amidino, pyridyl, naphthyl, pyrimidinyl, alkenyl, mono- or di- (C 1-4 )alkylamino, or combinations thereof; X is methylene, carbonyl, or sulfonyl; R 1 is hydrogen or C 1-3 alkyl; n is 1; m is 1-4; R 2 is hydrogen or C 1-3 alkyl; R 3 is hydrogen or C 1-3 alkyl; and R 4 , R 5 and R 6 are independently hydrogen, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, cyano or —CO 2 R W , where R W is C 1-4 alkyl, C 4-7 cycloalkyl, benzyl, R d , R e and R g are each hydrogen, R f is methyl, and R h is benzyl or tert-butyl.