Patent ID: 7049468

Claim:
A compound of formula: wherein R is a methylene, or —C(O)NH—; Ar is aryl, substituted with R 7 , R 8 , R 9 , and R 10 , wherein R 7 , R 8 , and R 9 , are each independently H, halo, lower alkyl, OH, lower alkoxy, and R 10 is H, lower alkyl, OH, lower alkoxy at the 6-position, or forms a ring with R 1 ; R 1 is H, lower alkyl, or forms a ring with R 10 ; wherein R 2 and R 5 are each methoxy; R 3 , R 4 , and R 6 are each independently H, lower alkyl, halo, nitro, OH, lower alkoxy, NH 2 , lower alkylamino, di(lower alkyl)amino, or two adjacent groups together form a saturated or unsaturated ring; and pharmaceutically acceptable salts thereof.