abstract |
The present invention has found a compound having affinity for cannabinoid type 2 receptor. Formula (I): [Chemical 1] (Wherein R 1 is a formula: —Y 1 —Y 2 —Y 3 —Ra (where Y 1 is a single bond or the like; Y 2 is —C (═O) —NH— or the like; Y 3 is substituted) R 2 is hydrogen or the like; R 3 is alkyl or the like; R 4 is alkyl or the like; R 5 is an optionally substituted alkyl or the like; or R 3 and R 4 are Or a prodrug thereof, a pharmaceutically acceptable salt thereof, or a solvate thereof. [Selection figure] None |