IUPAC:2-amino-9-[(2R,3S,4S,5R)-4-fluoro-3-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-(prop-2-yn-1-yl)-6,7,8,9-tetrahydro-3H-purine-6,8-dione
IUPAC:2-amino-9-[(2R,3S,4S,5R)-4-fluoro-3-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-(prop-2-yn-1-yl)-6,7,8,9-tetrahydro-3H-purine-6,8-dione