1 A7C 3-[1-(4-bromophenyl)-1h-1,2,3-triazol-4-yl]-1-[5-O-(trihydroxy-lambda~5~-phosphanyl)-beta-D-ribofuranosyl]-1h-pyrazolo[3,4-D]pyrimidin-4-amine 1.000 2 7AT 1-(5-O-phosphono-beta-D-ribofuranosyl)-3-(1h-1,2,3-triazol-5-yl)-1h-pyrazolo[3,4-D]pyrimidin-4-amine 0.800