1-5-.beta.-Neoendorphin (human), 6-ester with .beta.-D-glucopyranose 1,2,3,4-tetraacetate 117833-68-8 6-(Tyrosylglycylglycylphenylalanylleucyl)-.beta.-D-glucopyranosetetraacetate AIDS-003309 AIDS003309 [5-Leu]enkephalin-related