1-(4-Thio-4-tetrahydrothiopyranoacetic acid)-2-(O-Et-tyr)-4-val-arginine vasopressin 133073-76-4 Argipressin, 1-(4-thio-4-tetrahydrothiopyranoacetic acid)-O-Et-tyr(2)-val(4)- Argipressin, 1-(4-thio-4-tetrahydrothiopyranoacetic acid)-O-ethyltyrosyl(2)-valine(4)- Scad-T-V-avp Vasopressin, 1-(tetrahydro-4-mercapto-2H-thiopyran-4-acetic acid)-2-(O-ethyl-O-tyrosine)-4-L-valine-8-L-arginine-