Patent ID: 7247646

Claim:
A compound having the structure: or a pharmaceutically acceptable salt thereof, wherein: X and Y are independently hydrogen, halogen or (halo)(C 1-6 alkyl); n is 1, 2 or 3; and either: (a) R 1 is hydrogen and R 2 is halogen, hydroxy, —(C 1-6 alkyl), vinyl, —(C 2-6 alkynyl), —C(O)O(C 1-6 alkyl), -(hydroxy)(C 1-6 alkyl), -(amino)(C 1-6 alkyl), —(CH 2 ) m —O—(C 1-6 alkyl), —C(O)(C 1-6 alkyl), —(CH 2 ) m -phenyl, -(3- to 7-membered monocyclic heterocycle), —COOH, —C(O)H or —CN; (b) R 2 is hydrogen and R 1 is halogen, hydroxy, —(C 1-6 alkyl), —(C 2-6 alkenyl)-(C 2-6 alkynyl), —C(O)O(C 1-6 alkyl), -(hydroxy)(C 1-6 alkyl), -(amino)(C 1-6 alkyl), —(CH 2 ) m —O—(C 1-6 alkyl), —C(O)(C 1-6 alkyl), —(CH 2 ) m -phenyl, -(3- to 7-membered monocyclic heterocycle), —COOH, —C(O)H or —CN; or (c) R 1 and R 2 are —CH 3 .