AIDS-107368 AIDS107368 Ac-Asp-Glu-3,3-Diphenylalanine-Ile-Cha-Cys-Pro-beta-Cyclohexylalanine-Ser-Leu-NH2 Ac-Asp-Glu-Dif-Ile-Cha-Cys-Pro-Cha-Ser-Leu-NH2