Buy Pure Quality Ab-Fubinaca Online USA, UK, EU, Canada, NZ, Australia, Europe., It is a drug that acts as a potent agonist for the cannabinoid receptors, with Kᵢ values of 0.9 nM at CB₁ and 23.2 nM at CB₂, and EC₅₀ values of 1.8 nM at CB₁ and 3.2 nM at CB₂