Patent ID: 8436016

Claim:
A compound of formula (I) wherein Q is a carbon-linked fused aromatic or partially aromatic ring group, which is optionally substituted with one or more (a) —C 1-6 alkyl, (b) halogen, (c) —OC 1-6 alkyl, (d) hydroxyl, (e) oxo, (f) —C 2-6 alkenyl, (g) —C 0-2 alkyl-C 6-10 aryl, wherein said alkyl moiety is optionally substituted with one or more (i) hydroxy, or (ii) halogen, and said aryl moiety is optionally substituted with one or more (i) hydroxy, (ii) halogen, (iii) —C 1-6 alkyl, or (iv) —OC 1-6 alkyl; with the proviso that Q is not a benzodioxolegroup R 1 is selected from the group consisting of (1) hydrogen, R 2 and R 3 are independently selected from the group consisting of (1) hydrogen, or (2) halogen; or a pharmaceutically acceptable salt thereof.