Patent ID: 7589105

Claim:
A pharmaceutical composition for the treatment of amyloidosis which contains, as an active ingredient, at least one nitrogen-containing heteroaryl compound represented by the following general formula (I) wherein R 1 and R 2 each independently represent a hydrogen atom or a C 1-6 alkyl group, Z 1 and Z 2 each independently represent a hydrogen atom, C 1-6 alkyl group, C 1-6 alkoxy group, halo-C 1-6 alkyl group or halogen atom, Z 3 represents a C 1-6 alkoxy group, mercapto group, C 1-6 alkylthio group, amino group, mono- or di-C 1-6 alkylamino group, hydroxy group or halogen atom, Z 4 and Z 5 each independently represent a hydrogen atom or halogen atom, and A represents a group of formula (VI) below wherein R 10 and R 11 each independently represent a hydrogen atom, C 1-6 alkyl group, C 1-6 alkoxy group, C 1-6 alkylthio group, or mono- or di-C 1-6 alkylamino group, or pharmacologically permitted salt thereof.