Patent ID: 7390905

Claim:
Piperidine compound represented by the formula [I]: wherein Ring A and Ring B each represents a benzene ring optionally substituted by halogen or C 1 -C 4 alkyl optionally substituted with fluoro groups, R 1 represents an optionally substituted alkyl group, an optionally substituted hydroxyl group, a substituted thiol group, a substituted carbonyl group, a substituted sulfinyl group, a substituted sulfonyl group, or a group represented by the formula: R 11 represents a substituted carbonyl group or a substituted sulfonyl group, R 12 represents hydrogen atom or an optionally substituted alkyl group, R 2 represents hydrogen atom, Z represents a group represented by —N(R 3 )—, R 3 represents a methyl group, R 4a represents a methyl group, R 4b represents a methyl group, or a pharmaceutically acceptable salt thereof.