MDMB-BINACA (MDMB-BUTINACA) is an indazole-3-carboxamide based synthetic cannabinoid receptor agonist that has been sold as a designer drug, first identified in Sweden in May 2023. It has a similar chemical structure to potent cannabinoid agonists previously reported such as ADB-BUTINACA and MDMB-5'Br-BUTINACA, and is believed to have similar effects.[1]