33426-38-9 4-Phenylalanyl-6-valine-antamanide Antamanide, 1-de-L-alanine-3a-endo-L-valine- Antamanide, 2-phenylalanyl-6-valine- Antamanide, phe(4)-val(6)- Phe(4)-val(6)-antamanide