甲基1-{[(2-甲基-2-丙基)氧基]羰基}-L-脯氨酰甘氨酸酯

Nα-Boc-L-phenylalanyl-L-prolyl-glycine methyl ester

Nα-Boc-L-Prolyl-L-phenylalanyl-L-prolyl-glycine methyl ester

H-Phe-Pro-Gly-OMe

H-Pro-Phe-Pro-Gly-OMe