1-(6-Amino-9H-purin-9-yl)-1-deoxy-N-ethylribofuranuronamide N-oxide 72209-27-9 Adenosine-5'-(N-ethyl)carboxamide N'-oxide Ribofuranuronamide, 1-(6-amino-9H-purin-9-yl)-1-deoxy-N-ethyl-, N-oxide