Synonyms: Vasopressin,1-(1-mercaptocyclohexaneacetic acid)-2-D-tyrosine-4-L-valine-8-L-arginine-;7,8-Dithia-11,14,17,20,23-pentaazaspiro[5.19]pentacosane, cyclic peptidederiv.; SKF 100885; [1-(b-Mercapto-, b-cyclopentamethylenepropionicacid), 2-D-tyrosine, 4-valine]arginine-vasopressin; [1-(b-Mercapto-b,b-cyclopentamethylenepropionic acid),D-Tyr2,Val4,Arg8]-vasopressin