N-Nitroacetyl-(S)-proline ethyl ester

L-proline-L-leucine methyl ester

Z-L-Leu-L-Pro-L-Ser(tBu)-OH

BOC-L-亮氨酸

Pyrrolo[1,2-a]pyrazin-4(3H)-one, 6,7,8,8a-tetrahydro-1-methoxy-, (8aS)-