The molecule is a purine nucleoside having adenine as the nucleobase and a carboxy group at C-5'. It derives from an adenine. It is a conjugate acid of an adenin-9-yl riburonosate(1-).
(2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolane-2-carboxylic acid