Abstract: A CB2 receptor modulator comprising an imidazole derivative represented by the general formula (I): [wherein, R1 represents optionally substituted lower alkyl or the like; R2 represents optionally substituted cycloalkyl or the like; R3 represents optionally substituted aryl or the like; and n represents an integer of 0 to 3] or a pharmaceutically acceptable salt thereof as an active ingredient, and the like are provided.

Abstract: A CB2 receptor modulator comprising an imidazole derivative represented by the general formula (I): [wherein, R1 represents optionally substituted lower alkyl or the like; R2 represents optionally substituted cycloalkyl or the like; R3 represents optionally substituted aryl or the like; and n represents an integer of 0 to 3] or a pharmaceutically acceptable salt thereof as an active ingredient, and the like are provided.

Abstract: A fused heterocycle derivative represented by the general formula (I): (wherein R1 represents optionally substituted lower alkyl, or the like; R2 represents an optionally substituted aliphatic heterocyclic group, or the like; R3 represents —C(?Z)NR5R6 (wherein R5 and R6 represent optionally substituted lower alkyl, or the like, and Z represents an oxygen atom or the like), or the like; n represents an integer of 1 to 3; and W represents C—R5 (wherein R5 represents a hydrogen atom or the like)) or a pharmaceutically acceptable salt thereof, and the like are provided.

Abstract: A CB2 receptor modulator comprising an imidazole derivative represented by the general formula (I): [wherein, R1 represents optionally substituted lower alkyl or the like; R2 represents optionally substituted cycloalkyl or the like; R3 represents optionally substituted aryl or the like; and n represents an integer of 0 to 3] or a pharmaceutically acceptable salt thereof as an active ingredient, and the like are provided.

Abstract: A fused heterocycle derivative represented by the general formula (I): (wherein R1 represents optionally substituted lower alkyl, or the like; R2 represents an optionally substituted aliphatic heterocyclic group, or the like; R3 represents —C(=Z)NR5R6 (wherein R5 and R6 represent optionally substituted lower alkyl, or the like, and Z represents an oxygen atom or the like), or the like; n represents an integer of 1 to 3; and W represents C—R5 (wherein R5 represents a hydrogen atom or the like)) or a pharmaceutically acceptable salt thereof, and the like are provided.

Abstract: [wherein n represents an integer of from 1 to 4, R1 represents substituted or unsubstituted lower alkyl, —C(?Y)R9 or the like, R2 represents a hydrogen atom, substituted or unsubstituted lower alkyl or the like, R3 represents substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted heterocyclic group or the like, and R4 represents halogen or the like.]A phosphodiesterase 10A inhibitor which comprises a quinoline derivative represented by the above formula (I) or a pharmaceutically acceptable salt thereof as an active ingredient is provided.

Abstract: The present invention relates to [1,2,4]triazolo[1,5-c]pyrimidine compounds represented by formula (I): wherein na and nb independently represent an integer of 0 to 4 and Q represents a hydrogen atom or 3,4-dimethoxybenzyl, or salts thereof exhibit activity as adenosine A2A receptor antagonists.