12-Phe-21,38-nle-corticotropin-releasing hormone (12-41) 129133-41-1 Corticotropin-releasing factor (sheep), 1-de-L-serine-2-de-L-glutamine-3-de-L-glutamic acid-4-de-L-proline-5-de-L-proline-6-de-L-isoleucine-7-de-L-serine-8-de-L-leucine-9-de-L-aspartic acid-10-de-L-leucine-11-de-L-threonine-12-D-phenylalani Corticotropin-releasing factor (sheep), 1-de-l-serine-2-de-L-glutamine-3-de-L-glutamic acid-4-de-L-proline-5-de-L-proline-6-de-L-isoleucine-7-de-L-serine-8-de-L-leucine-9-de-L-aspartic acid-10-de-L-leucine-11-de-L-threonine-12-D-phenylalanine-21-L-norleucine-38-L-norleucine- Corticotropin-releasing hormone (12-41), phe(12)-nle(21,38)- Corticotropin-releasing hormone (12-41), phenylalanyl(12)-norleucine(21,38)- PN-Crh (12-41)