Everything about 4-FA DRUG
4-hydroxy nitazene and N-desethyl isotonitazene are recognised metabolites of isotonitazene nonetheless, four-hydroxy nitazene is predominantly detected alone or in combination with metonitazene. It has also been detected with other dad or mum nitazene analogs, so it could at some point be observed like a shared metabolite. Metonitazene detections