Acetyl Tripeptide-45 D-Phenylalanyl Octapeptide-14 Norleucyl Pentapeptide-38 Methyl Leucyl Decapeptide-26 Norleucyl Glutamyl Methyl Leucyl Isoleucinamide is the reaction product of isoleucine with an acetylated peptide containing a lactam bridge and consisting of Tripeptide-45 (q.v.), D-phenylalanine, Octapeptide-14 (q.v.), norleucine, Pentapeptide-38 (q.v.) methyl leucine, Decapeptide-26 (q.v.) and glutamine.