Patent ID: 7402592

Claim:
A compound of Formula 1 or 2: wherein k, and p are each 1, m and n are individually 0 or 1; provided that if m is 1, then n is 0, and if n is 1, then m is 0; Ar is pyridine, optionally substituted at any position with a substituent Z; Z is selected from the group consisting of lower alkyl, lower alkenyl, cycloalkyl, phenyl, benzyl, halo, —OR′, —NR′R″, —CF 3 , —CN, —NO 2 , ——C≡CR′, —SR′, and —SO 2 R′; where R′ and R″ are individually hydrogen, lower alkyl, cycloalkyl phenyl, or benzyl; and R is hydrogen, unsubstituted lower alkyl, unsubstituted arylalkyl, unsubstituted alkoxycarbonyl, or unsubstituted aryloxycarbonyl; or a pharmaceutically acceptable salt thereof.