Cyclo(-Trp-Tyr)
Cyclo(-Ser-Tyr)
Cyclo(-Ser-Ser)
Cyclo(-Pro-Val)
Cyclo(-Pro-Tyr)
Cyclo(-Pro-Thr)
Cyclo(-Phe-Trp)
Cyclo(-Phe-Ser)
Cyclo(-Phe-Phe)
Cyclo(-Met-Pro)
Cyclo(-Met-Met)
Cyclo(-Leu-Phe)
Cyclo(-His-Phe)
Cyclo(-Gly-Tyr(PO₃H₂)-Val-Pro-Met-Leu)
Cyclo(-Gly-Trp)
Cyclo(-Gly-Ser)
Cyclo(-Gly-Pro)
Cyclo(-Gly-Phe)
Cyclo(-Gly-Leu)
Cyclo(-Gly-His)