61-19-8 9-(5-O-phosphonopentofuranosyl)-9H-purin-6-amine 9H-purin-6-amine, 9-(5-O-phosphonopentofuranosyl)- InChI=1/C10H14N5O7P/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(22-10)1-21-23(18,19)20/h2-4,6-7,10,16-17H,1H2,(H2,11,12,13)(H2,18,19,20