Synonyms: Vasopressin,1-(3-mercaptopropanoic acid)-8-L-lysine- (9CI); Vasopressin,1-(3-mercaptopropionic acid)-8-lysine (7CI,8CI); Vasopressin,8-lysine-1-(3-mercaptopropionic acid) (6CI);1,2-Dithia-5,8,11,14,17-pentaazacycloeicosane, cyclic peptide deriv.;1-Deamino-8-lysine-vasopressin; 8-Lysine-deaminovasopressin; [1-b-Mercaptopropionic acid8-lysine]vasopressin