Patent ID: 8492384

Claim:
Imidazolylalkylcarbonyl derivatives represented by the formula 1 or their pharmaceutically acceptable salts thereof: wherein Y is n is an integer of from 2 to 4, m is an integer of from 1 to 4; R 1 and R 2 , being same or different with each other, are respectively a hydrogen atom, C 1 -C 8 alkyl group, substituted or unsubstituted phenyl group, or substituted or unsubstituted benzyl group; and R 3 is a hydrogen atom, C 1 -C 8 alkyl group, C 1 -C 8 hydroxyalkyl group, CH(substituted or unsubstituted phenyl) 2 , substituted or unsubstituted phenyl group, or substituted or unsubstituted benzyl group; wherein said substituted phenyl or benzyl is respectively substituted with a substituent selected from the group consisting of halo, hydroxy, carboxy, alkoxycarbonyl, nitro, amino, mercapto, C 1 -C 8 alkyl, and C 1 -C 8 alkoxy groups.