MDMB 4en PINACA is a synthetic cannabinoid that's been linked to sudden collapse, seizures, and fatal overdoses. It's often sprayed on herbal material and sold as Spice. Key risks: Potency varies wildly Synthetic cannabinoids in e liquids: A proton and fluorine NMR analysis from a conventional spectrometer to a compact one ScienceDirect Overview of Synthetic Cannabinoids ADB FUBINACA and AMB FUBINACA: Clinical, Analytical, and Forensic Implications Test de dtection du K3 (Pinaca, Binaca, Butinaca, Fubinaca) dans le cannabis