Patent ID: 8884022

Claim:
A compound of Formula (I)(b): wherein: R 1 is an amine-substituted aryl, or R 1 is a heteroaryl selected from the group consisting of: indazolyl, indolizinyl, isoindolyl, isoquinolyl, isothiazolyl, naphthyridinyl, phthalazinyl, purinyl, pyrazinyl, pyridazinyl, 2-pyridinyl, 3-pyridinyl, 4-pyridinyl, pyrimidinyl, pyrrolyl, quinolyl, quinoxalinyl and triazolyl; n=2 to 10, saturated or unsaturated; each occurrence of R x and R y is present or absent (depending upon chain saturation), and is each independently H or alkyl; and R 2 is selected from the group consisting of: H, alkyl, alkenyl and alkynyl, or a pharmaceutically acceptable salt thereof.