9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-[(E)-(4-nitroanilino)diazenyl]-3H-purin-6-one

[5-(2-氨基-6-氧代-3H-嘌呤-9-基)-3,4-二羟基四氢呋喃-2-基]甲基[羟基-[3,4,5-三羟基-6-(羟基甲基)四氢吡喃-2-基]氧基磷酰]磷酸氢酯