Patent ID: 7585866

Claim:
A compound selected from the group consisting of: a compound of Formula I, a pharmaceutically acceptable salt thereof, and a stereoisomer thereof: wherein n is an integer; wherein R 1 and R 2 are independently selected from the group consisting of: wherein R 3 is selected from the group consisting of: H; alkyl; alkenyl; alkynyl; halogen; aryl; heteroaryl containing N, O, or S; NZ 1 Z 2 , wherein Z 1 and Z 2 are independently selected from the group consisting of: H and alkyl; and (CO)Y, wherein Y is selected from the group consisting of: H, alkyl, alkenyl, alkynyl, aryl, heteroaryl containing N, O, or S; and wherein R 4 is selected from the group consisting of: H and alkyl.