1-5-.beta.-Neoendorphin (human), 5-(N-.beta.-D-glucopyranosyl-L-leucinamide)- 136802-61-4 AIDS-003314 AIDS003314 L-Leucinamide, L-tyrosylglycylglycyl-L-phenylalanyl-N-.beta.-D-glucopyranosyl- N-(Tyrosylglycylglycylphenylalanylleucyl)-.beta.-D-glucopyranosylamine [5-Leu]enkephalin-related