1-Deaminopenicillamine-4-val-argipressin 64158-84-5 Arginine vasopressin,deaminopenicillamine(1)-val(4)- Argipressin, deaminopenicillamine(1)-val(4)- Argipressin, deaminopenicillamine(1)-valine(4)- Dpvdavp Vasopressin, 1-(3-mercapto-3-methylbutanoic acid)-4-L-valine-8-D-arginine-