127716-66-9 4-Glutamic acid-gamma-hydrazide-8-lysine vasopressin Lypressin, 4-glu(nhnh2)(4)- Vasopressin, 4-L-glutamic acid-8-L-lysine-, hydrazide Vasopressin, 4-glu(nhnh2)-8-lys- Vasopressin, glu(nhnh2)(4)-lys(8)-