82867-71-8 Ac-Asn-pro-tyr-nhme Acetyl-asparaginyl-prolyl-methyltyrosinamide L-Tyrosinamide, N2-acetyl-L-asparginyl-L-prolyl-N-methyl- N2-Acetyl-L-asparginyl-L-prolyl-N-methyl-L-tyrosinamide