4H-pyrazolo[3,4-d]pyrimidin-4-one, 6-amino-1-(2-deoxypentofuranosyl)-1,5-dihydro-3-iodo- 6-amino-1-(2-deoxypentofuranosyl)-3-iodo-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one InChI=1/C7H7N3OS/c1-12-7-9-5-4(2-3-8-5)6(11)10-7/h2-3H,1H3,(H2,8,9,10,11