In Urine, O-dealkyl and N-deethyl-O-dealkyl metabolites and glucuronides were predominant. Isotonitazene and metonitazene O-dealkyl metabolites have been precisely the same molecules and are also very likely produced throughout the metabolization of structural analogues such as etonitazene, protonitazene, or butonitazene, whose only variance from isotonitazene and metonitazene is defi... https://chemicalglobe.com/product-tag/metonitazene-for-sale/