1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-.beta.-D-ribofuranosyl- 1H-Pyrazolo[3,4-d]pyrimidine, 4-amino-1-.beta.-D-ribofuranosyl- 3258-05-7 8-Azatubercidin, monohydrate NSC89404