In Urine, O-dealkyl and N-deethyl-O-dealkyl metabolites and glucuronides have been predominant. Isotonitazene and metonitazene O-dealkyl metabolites have been the same molecules and can also be very likely created through the metabolization of structural analogues which include etonitazene, protonitazene, or butonitazene, whose only variance from isotonitazene and metonitazene will be... https://chemicalglobe.com/product-tag/metonitazene-for-sale/