Patent ID: 7964605

Claim:
A piperazine compound represented by Formula (I) or pharmaceutically acceptable salts thereof, wherein n is an integer from 2 to 6, R 1 and R 2 are the same or different and are independently selected from the group consisting of hydrogen, a hydroxyl, a halogen, nitrogen dioxide, a straight or branched chain alkyl group with 1 to 4 carbon atoms, and a straight or branched chain alkoxy group with 1 to 4 carbon atoms, and R 3 is selected from the following groups: wherein m is an integer from 1 to 3, R 4 and R 5 are the same or different and are independently selected from the group consisting of hydrogen, a straight or branched chain alkyl group with 1 to 4 carbon atoms, and a benzyl, and optionally R 4 and R 5 form a 5 to 7-membered heterocyclic ring together with nitrogen atoms to which they are attached, and R 6 is selected from the group consisting of hydrogen, a straight or branched chain alkyl group with 1 to 4 carbon atoms, and a phenyl.