ETA receptor antagonist [FR 139317] Selective ETA antagonist.Product SpecificationSequence: (Hexahydro-1H-azepinyl)carbonyl-Leu-D-Trp(Me)-D-Ala(2-pyridyl)-OH Formula: C32H43N6O5 MW: 605.8 Quantity: *Sold as net peptide weight. Purity: ≥97% Long Term Storage: -20°C