AMB-FUBINACA is an indazole-based synthetic cannabinoid that is a potent agonist for the cannabinoid receptors, with Kᵢ values of 10.04 nM at CB₁ and 0.786 nM at CB₂ and EC₅₀ values of 0.5433
nM at CB₁ and 0.1278 nM at CB₂, and has been sold online as a designer drug.