1H-Pyrazolo(4,3-d)pyrimidine, 7-amino-3-beta-D-ribofuranosyl- 6742-12-7 7-Amino-3-beta-D-ribofuranosyl-1H-pyrazolo(4,3-d)pyrimidine BRN 0624229 D-Ribitol, 1-C-(7-amino-1H-pyrazolo(4,3-d)pyrimidin-3-yl)- 1,4-anhydro-, (S)- (9CI) D-Ribitol, 1-C-(7-amino-1H-pyrazolo(4,3-d)pyrimidin-3-yl)-1,4-anhydro-, (S)- (9CI) Formycin Formycin A NSC 102811