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 will also be probably produced in the metabolization of structural analogues which include etonitazene, protonitazene, or butonitazene, whose only big difference from isotonitazene and metonitazene is... https://chemicalglobe.com/product-tag/metonitazene-for-sale-australia/