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Synthetic cannabinoids (SC) are a heterogeneous group of substances with a high affinity for cannabinoid receptors. Unlike Δ9-tetrahydrocannabinol (THC), synthetic cannabinoids are incredibly potent, highly productive, have more affinity for the cannabinoid receptor type 1 (CB1), and cannabinoid receptor type 2 (CB2), and are designed to accelerate the effects of tetrahydrocannabinol. Also, there is experimental evidence that SCs act on non-cannabinoid receptors, such as the 5-HT2B receptor or dopaminergic receptors.