127819-96-9

682 L-66 L-66,682 L 366682 Cyclo(D-His-L-Pro-D-Trp-L-Ile-D-Hpr-L-Hpr-) Cyclo(L-Pro-D-Trp-L-Ile-D-Hpr-L-Hpr-D-His-) Cyclo[D-His-L-Pro-D-Trp-L-Ile-D-Pip-L-Pip-]