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  • FUB-UR-144

XLR11 (Item No. 11565) is a synthetic cannabinoid (CB) featuring a tetramethylcyclopropyl group, which reportedly confers selectivity for the peripheral CB2 receptor over the central CB1 receptor.1 It also features an N-(5-fluoropentyl) chain, which increases binding to both CB receptors.2 FUB-144 is a derivative of XLR11 in which the 5-fluoropentyl side chain is replaced by a 4-fluorobenzyl group, a functional group also found in the indazole-based synthetic cannabinoids AB-FUBINACA (Item No. 14292) and ADB-FUBINACA (Item No. 14039).3,4 The physiological and toxicological properties of this compound are not known. This product is intended for forensic and research applications.


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