.beta.-D-Ribofuranoside, hypoxanthine-9 .beta.-Inosine 58-63-9 9-.beta.-D-Ribofuranosylhypoxanthine Atorel HXR Hypoxanthine D-riboside Hypoxanthine nucleoside Hypoxanthine ribonucleoside Hypoxanthine riboside Hypoxanthine, 9-.beta.-D-ribofuranosyl- Hypoxanthosine INO 495 INOSINE Ino Inosie NSC20262 Oxiamin Panholic-L Ribonosine Selfer Trophicardyl