26666-45-5 9-(2-Deoxy-5-O-(hydroxy((hydroxy(phospho nooxy)phosphinyl)oxy)phophinyl)-beta-D-erythro-pentofuranosyl)-9H-purin-2-amine 9H-Purin-2-amine, 9-(2-deoxy-5-O-(hydroxy((hydroxy(phospho nooxy)phosphinyl)oxy)phophinyl)-beta-D-erythro-pentofuranosyl)-