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Lysine vasopressin with l-phenylalanine at position 2.
Lysine vasopressin with l-phenylalanine 2.
n brand name: Octapressin; an ingredient that may be added to a local anesthetic for the purpose of constricting blood vessels. It helps to contain the anesthetic in a specific area by reducing systemic absorption, decreasing blood flow, and prolonging effectiveness. It is not available in the United States.