Patent ID: 7253181

Claim:
A compound of the formula: wherein: m is 2; n is 0 or 1; A 1 , A 2 and A 3 are carbon; Het is at the ortho position relative to X and is thien-2-yl optionally substituted with CN or CH 3 ; R 1 , R 2 and R 3 are H; R 4 and R 5 are independently H or methyl at each occurrence; R 6 is independently at each occurrence methyl; R 7 is at the 6- or 7-position of the 6,5 ring system to which it is attached and is selected from H, O(CH 2 ) p R 12 or thienyl; X is OCH 2 ; p is 0 or 1; and R 12 is CONH 2 , phenyl or pyridyl substituted once with CONH 2 ; or a pharmaceutical salt thereof.