Cyclo(L-Ile-L-Leu-L-Ile-L-Leu-L-Leu-)

Boc-isoleucine-leucine methyl ester

1-[4-Methyl-2-hexenoyl]-L-Pro-L-Leu-4,4-dimethyl-L-Thr-2-methyl Ala-L-Leu-L-Leu-2-methyl Ala-2-methyl Ala-βAla-[1-methyl-2-(methylamino)ethyl]NH2

Cyclo(L-Asn-L-Leu-L-Ser-L-Phe-L-Leu-L-Pro-L-Val-)

H-D-Leu-Leu-OH

(-)-2-[(Propionyl-L-aIle-L-Leu-L-Leu-)amino]-5-guanidinovaleraldehyde

Boc-Leu-Ile-Leu-Ile-Leu-O-pnp