(Deamino-Cys11,D-2-Nal 14,Cys18)-b-MSH (11-22) amide trifluoroacetate salt (DEAMINO-CYS11,D-2-NAL14,CYS18)-BETA-MSH (11-22) AMIDE (DEAMINO-CYS11,D-ALA(2-NAPHTHYL)14,CYS18)-BETA-MSH (11-22) AMIDE [DEAMINO-CYS11, B-(2-NAPHTHYL)-D-ALA14, CYS18]-BETA-MELANOCYTE STIMULATING HORMONE AMIDE FRAGMENT 11-22 1-{[(4R,10S,13S,16S,19S,22S)-13-(3-Carbamimidamidopropyl)-22-(2-carboxyethyl)-19-(1H-imidazol-5-ylmethyl)-10-(1H-indol-3-ylmethyl)-16-(2-naphthylmethyl)-6,9,12,15,18,21,24-heptaoxo-1,2-dithia-5,8,11,1 1-{[(4S,10R,13S,16R,19S,22S)-13-(3-Carbamimidamidopropyl)-22-(2-carboxyethyl)-19-(1H-imidazol-5-ylmethyl)-10-(1H-indol-3-ylmethyl)-16-(2-naphthylmethyl)-6,9,12,15,18,21,24-heptaoxo-1,2-dithia-5,8,11,1 21,24-heptaoxo-1,2-dithia-5,8,11,14,17,20,23-heptaazacyclohexacos-4-yl]carbonyl]-L-prolyl-L-prolyl-L-lysyl- 3-MERCAPTOPROPIONYL-GLU-HIS-D-2-NAL-ARG-TRP-GLY-CYS-PRO-PRO-LYS-ASP-NH2 4,17,20,23-heptaazacyclohexacosan-4-yl]carbonyl}-L-prolyl-L-prolyl-L-lysyl-L-α-asparagine JKC 363 L-α-Asparagine, 1-[[(4R,10S,13S,16S,19S,22S)-13-[3-[(aminoiminomethyl)amino]propyl]-22-(2-carboxyethyl)-19-(1H-imidazol-5-ylmethyl)-10-(1H-indol-3-ylmethyl)-16-(2-naphthalenylmethyl)-6,9,12,15,18, L-α-Asparagine, 1-[[(4S,10R,13S,16R,19S,22S)-13-[3-[(aminoiminomethyl)amino]propyl]-22-(2-carboxyethyl)-19-(1H-imidazol-5-ylmethyl)-10-(1H-indol-3-ylmethyl)-16-(2-naphthalenylmethyl)-6,9,12,15,18, MPR-GLU-HIS-D-NAL(2)-ARG-TRP-GLY-CYS-PRO-PRO-LYS-ASP-NH2