N-(tert-butyloxycarbonyl)-L-phenylalanyl-D-proline methyl ester

环(Phe-Pro)

Boc-Ala-Aib-Phe-D-Pro-OSu

Boc-Phe-D-Pro-Ala-Aib-OH

N-hydroxysuccinimide ester of (p-methoxybenzyloxycarbonyl)-α-aminoisobutyryl-L-phenylalanyl-D-prolyl-L-alanine

(tert-butyloxycarbonyl)-L-phenylalanyl-D-prolyl-L-alanyl-α-aminoisobutyric acid methyl ester

TFA*Ala-Aib-Phe-D-Pro-OSu

N-(p-methoxybenzyloxycarbonyl)-α-aminoisobutyryl-L-phenylalanyl-D-proline methyl ester

N-(p-methoxybenzyloxycarbonyl)-α-aminoisobutyryl-L-phenylalanyl-D-proline

Boc-Ala-Aib-Phe-D-Pro-OH

Boc-Phe-D-Pro-Ala-Aib-OSu

N-(tert-butoxycarbonyl)-(S)-phenylalanyl-(R)-proline

methyl N-(benzyloxycarbonyl)glycyl-L-phenylalanyl-D-prolinate