JWH-371 ([5-(4-butylphenyl)-1-pentylpyrrol-3-yl]-naphthalen-1-ylmethanone) is a synthetic cannabinoid from the naphthoylpyrrole family which acts as an agonist of the CB1 (Ki = 42 ± 1nM) and CB2 (Ki = 64 ± 2nM) receptors, binding ~1.5 times stronger to the CB1 receptor than the CB2 receptor.
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