Patent ID: 7282507

Claim:
A compound of formula (II) wherein: X is NR 1 ; R 1 is selected from the group consisting of hydrogen and —SO 2 -(lower alkyl); R 4 is hydrogen; a is 2; R 5 is selected from the group consisting of halogen, cyano, nitro and trifluoromethyl; b is 0; c is 0; R 7 is hydrogen; is a six membered saturated ring structure containing one to two heteroatoms selected from O, N or S; wherein the five to six membered saturated ring structure is optionally substituted with a substituent selected from aralkyl (wherein the aralkyl is optionally substituted with one to two substituents independently selected from halogen, lower alkyl, lower alkoxy, trifluoromethyl or (lower alkyl)-sulfonyl)), aryl-carbonyl (wherein the aryl is optionally substituted with a halogen) and aralkyloxy-carbonyl; or a pharmaceutically acceptable salt thereof.