Patent ID: 7205407

Claim:
A compound of formula I: wherein: m is 2; n is 0 or 1; each D is either carbon or nitrogen provided that at least one D must be nitrogen; each D′ is either carbon or nitrogen provided that only one D′ may be nitrogen; and further provided that the total number of D and D′ that are nitrogen must be two and only two; R and R 3 are H; R 1 and R 2 are both methyl; or R 1 and R 2 combine with the carbon to which each are attached to form a butacyclic or pentacyclic ring; R 4 and R 5 are independently H or methyl at each occurrence; The 6,5 ring system is connected to the (CR 4 R 5 ) 2 moiety at the 3-position of the 6,5 ring system; R 6 is independently at each occurrence methyl or methoxy; 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 13 , thienyl, phenyl, trifluoromethylphenyl or di-(trifluoromethyl) phenyl; X is OCH 2 ; p is 0 or 1; R 13 is hydrogen, CO 2 R 16 , CONH 2 , phenyl, or pyridyl substituted once with —CONH 2 ; R 16 is H or C 1 –C 6 alkyl: or a pharmaceutical salt thereof.