Patent ID: 7365095

Claim:
A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: m is 1 or 2; n is 0 or 1; designates a single or double bond; Ar is thienyl, furyl, pyridyl, pyrimidinyl or phenyl wherein Ar is optionally substituted with one or more R x groups; each R x is independently halogen, -Ph, —CN, —R or —OR; each R is independently hydrogen, C 1-6 aliphatic or halo-substituted C 1-6 aliphatic; y is 0–3; each R 1 is independently —R, —CN, halogen or —OR; R 2 is hydrogen, C 1-3 alkyl, or —O(C 1-3 alkyl); and each of R 3 and R 4 is independently hydrogen, C 1-6 aliphatic or fluoro-substituted C 1-6 aliphatic.