Patent ID: 6852723

Claim:
A substituted piperazine compound having the following formula: wherein m=1 or 2 or 3; R 1 , R 2 , R 3 , R 4 and R 5 are each independently selected from the group consisting of hydrogen, halo, CF 3 , OR 23 , and straight or branched C 1-6 alkyl R 6 , R 7 and R 8 each independently selected from the group consisting of hydrogen and straight or branched C 1-5 alkyl; R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 and R 16 are hydrogen; R 17 , R 18 , R 19 , R 20 , and R 21 are each independently selected from the group consisting of hydrogen, halo, and straight or branched C 1-6 alkyl; or R 19 and R 20 may combine to form a saturated ring having 5 carbon atoms wherein 2 carbon atoms may be substituted with an oxygen atom or wherein R 17 and R 18 or R 18 and R 19 may together form a ring selected from the group consisting of —CH═CH—CH═CH— and —O—CH 2 —O—; and R 23 is selected from the group consisting of straight or branched, C 1-6 alkyl.