Boc Tyr D.Ala Gly Phe Met NH2

(2R)-2-[[(2S)-3-(4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoyl]amino]propanoic acid

BOC-TYR-D-ALA-GLY-OH

Boc-L-Tyr-D-Ala-OMe

N-(tert-butyloxycarbonyl)-L-tyrosyl-D-alanylglycine methyl ester