Synonyms: 138787-13-0;AC1L9R68;7-Methyl-3-pentyl-N5-.beta.-D-ribofuranosylpyrazolo[4,3-d]-1,2,3-triazin-4-one;7-Methyl-3-pentyl-N5-beta-D-ribofuranosylpyrazolo(4,3-d)-1,2,3-triazin-4-one;5-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-methyl-3-pentylpyrazolo[4,3-d]triazin-4-one