25613-79-0 8-Nle-cer(4-10) 8-Norleucine-ceruletide(4-10) Caerulein(4-10), nle(8)- Caerulein, 1-de(5-oxo-L-proline)-2-de-L-glutamine-3-de-L-aspartic acid-8-L-norleucine- Ceruletide(4-10), 8-norleucine- Nle(8)-ceruletide(4-10)