methyl 4-(3-(6-amino-9-((2R,3R,4S,5S)-5-(ethylcarbamoyl)-3,4-dihydroxytetrahydrofuran-2-yl)-9H-purin-2-yl)prop-2-yn-1-yl)cyclohexanecarboxylate; trans-4-[3-[6-Amino-9-(N-ethyl- -D-ribofuranuronamidosyl)-9H-purin-2-yl]-2-propyn-1-yl]-cyclohex anecarboxylic Acid Methyl Ester; ATL 146e; BMS 068645; DWH 146e