IUPAC:(1R,6R,8R,9R,14R,16R,18R)-8-(2-amino-6-oxo-6,9-dihydro-3H-purin-9-yl)-16-(6-amino-9H-purin-9-yl)-3,11,17,18-tetrahydroxy-2,4,7,10,12,15-hexaoxa-3lambda5,11lambda5-diphosphatricyclo[12.2.1.1^{6,9}]octadecane-3,11-dione
IUPAC:(1R,6R,8R,9R,14R,16R,18R)-8-(2-amino-6-oxo-6,9-dihydro-3H-purin-9-yl)-16-(6-amino-9H-purin-9-yl)-3,11,17,18-tetrahydroxy-2,4,7,10,12,15-hexaoxa-3lambda5,11lambda5-diphosphatricyclo[12.2.1.1^{6,9}]octadecane-3,11-dione