vasopressin, beta-mercapto-beta,beta-pentamethylenepropionic acid(1)-(O-ethyl)tyrosyl(2)-arginyl(3)-valyl(4)-lysyl(7,8)-ethylenediamine(9)-
vasopressin, beta-mercapto-beta,beta-pentamethylenepropionic acid(1)-(o-ethyl)tyrosyl(2)-arginyl(3)-valyl(4)-lysyl(7,8)-ethylenediamine(9)-