| abstract |
The present invention relates to a compound of formula (I) or a pharmaceutically acceptable salt thereof:n n n Formula In n n n n n n n Wheren n n R 1 is (C 1 -C 6 ) alkyl, R 2 is (C 1 -C 6 ) alkyl, orn n n R 1 and R 2 together with the carbon atom to which they are attached form a ring selected from the group consisting of (C 5 -C 7 ) cycloalkyl, 4-tetrahydropyranyl and 4-piperidinyl;n n n R 3 is hydrogen or (C 1 -C 6 ) alkyl;n n n Y is a substituent on any carbon atom of the phenyl ring capable of supporting additional bonds, preferably hydrogen, fluoro, chloro, trifluoromethyl, (C 1 -C 6 ) alkoxy, trifluorome, on a phenyl ring One or two substituents (more preferably one substituent, most preferably one substituent at position 4) independently selected from the group consisting of methoxy, difluoromethoxy and (C 1 -C 6 ) alkyl . |