Patent ID: 7544686

Claim:
Piperazinylalkylpyrazole compounds represented by Formula I: wherein, R 1 represents phenyl optionally substituted with from one to five of nitro, methyl, chloro, methoxy; 1,1-diphenyl methyl wherein the phenyl groups are optionally substituted with one to five of chloro or methyl; or phenyl substituted with 2-fluoro R 2 represents hydrogen, methyl or ethyl; R 3 represents methyl, propyl, isobutyl, cyclohexyl, phenyl optionally substituted with one or more of methyl, chloro, or methoxy; naphthyl, or piperidinyl; R 4 represents hydrogen, C 1-6 alkyl, 2-furyl, or phenyl optionally substituted with from one to five of chloro, methyl, cyclohexyl, or piperidinyl; and n represents an integer from 0 to 3; or a pharmaceutically acceptable salt thereof.