JWH-145 (1-naphthalenyl(1-pentyl-5-phenyl-1H-pyrrol-3-yl)-methanone) is a synthetic cannabinoid from the naphthoylpyrrole family which acts as an agonist of the CB1 (Ki = 14 ± 2nM) and CB2 (Ki = 6.4 ± 0.4nM) receptors, with a moderate (~2.2x) selectivity for the CB2 receptor.
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