133761-86-1 2-Destyrosyl-3-desphenylalanyl-9-desglycyl-amide-argipressin Argipressin (4-8) Gln-asn-cys-pro-arg Vasopressin, 2-de-L-tyrosine-3-de-L-phenylalanine-8-L-arginine-9-deglycinamide-