73609-49-1 Amt-argipressin N-Acetyl-2-(O-methyl-tyr)-8-arg-vasopressin N-Acetyl-2-O-methyltyrosyl-8-arginine-vasopressin Vasopressin, N-acetyl-2-(O-methyl-L-tyrosine)-8-L-arginine- Vasopressin, N-acetyl-O-methyl-tyr(2)-arg(8)- Vasopressin, N-acetyl-O-methyltyrosyl(2)-arginine(8)-