3-(甲基氨基)丙酸叔丁酯

N-Boc-L-Tyr(O-t-Bu)-N-Me-β-Ala-O-t-Bu

N-Boc-Gly-N-Me-β-Ala-O-t-Bu

N-Boc-β-Ala-N-Me-β-Ala-O-t-Bu

N-Boc-D-Phe-N-Me-β-Ala-O-t-Bu