Boc-L-Tyr(Bzl)-Gly-Gly-L-Phe-OH

Boc-Tyr(Bzl)-Gly-Gly-Phe-OMe

Z-Tyr-Gly-Gly-OEt

L-苯丙氨酸甲酯盐酸盐

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