AIDS-105848 AIDS105848 CGP64222 deriv N-6-Aminohexylglycine-N-guanidopropylglycine-N-guanidoprolyglycine-N-((3-hydroxy-1,2,5-thiadiazol)methyl)glycine-N-guanidopropylglycine-D-arginine-amino NH2-Nahg-Narg-Narg-N-glycine-Narg-Darg-NH2 deriv