83310-33-2 Lys gamma3-MSH Lys-gamma(3)-melanotropin Msh, lys-gamma(3) Pro-opiomelanocortin(50-74) gamma3-Melanotropin, 14-L-proline-17-deglycine-21-L-alanine-22-deglycine-23-de-L-valine-26-L-serine-