IUPAC:(2E)-4-{2-amino-9-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,8-dioxo-6,7,8,9-tetrahydro-3H-purin-7-yl}but-2-enoic acid
IUPAC:(2E)-4-{2-amino-9-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,8-dioxo-6,7,8,9-tetrahydro-3H-purin-7-yl}but-2-enoic acid