120225-54-9 124182-57-6 160009-89-2 2-(4-(2-Carboxyethyl)phenethylamino)-5'-N-ethylcarboxamidoadenosine 4-(2-((6-Amino-9-(N-ethyl-beta-D-ribofuranuronamidosyl)-9H-purin-2-yl)amino)ethyl)benzenepropanoic acid Benzenepropanoic acid, 4-(2-((6-amino-9-(N-ethyl-beta-D-ribofuranuronamidosyl)-9H-purin-2-yl)amino)ethyl)- CGS 21680