Patent ID: 7514470

Claim:
A compound of formula (I) or a salt thereof, wherein R 1 is -(Q 1 ) x -R 5 ; Q 1 is C 1 -C 6 alkylene; x is 0 or 1; R 5 is —CF 3 or cyclopropyl; R 2 is -(Q 3 )-(Q 4 )-R 6 , or -(Q 3 )-CN; Q 3 is C 1 -C 6 alkylene; Q 4 is —C(O)—, —C(S)—, or —C(NR 7 )—, R 7 is H or alkyl; R 6 is C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, hydroxy, C 1 -C 6 alkoxy, phenoxy, benzyloxy, or —N(R 8 )(R 9 ) R 8 and R 9 each independently are H, hydroxy, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, -(Q 5 ) y -C 3 -C 6 cycloalkyl, —N(R 10 )(R 11 ); Q 5 is C 1 -C 6 alkylene; y is 0 or 1; R 10 and R 11 each independently are H or C 1 -C 6 alkyl; R 3 is —CN, —NO 2 , or halogen; and R 4 is —CN, —NO 2 , halogen, C 1 -C 6 haloalkyl, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, hydroxyl, C 1 -C 6 alkoxy, phenyl, naphthyl, phenoxy or benzyloxy.