Synonyms: 111375-45-2;AC1L9Q62;4H-Pyrazolo(3,4-d)pyrimidin-4-one, 6-amino-1,5-dihydro-3-methoxy-1-beta-D-ribofuranosyl-;6-Amino-3-methoxy-1-.beta.-D-ribofuranosylpyrazolo[3,4-d]pyrimidin-4(5H)-one;6-Amino-3-methoxy-1-beta-D-ribofuranosylpyrazolo(3,4-d)pyrimidin-4(5H)-one;4H-Pyrazolo[3,4-d]pyrimidin-4-one, 6-amino-1,5-dihydro-3-methoxy-1-.beta.-D-ribofuranosyl-;6-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3-methoxy-2H-pyrazolo[3,4-d]pyrimidin-4-one