4968-68-7 7H-1,2,3-Triazolo[4,5-d]pyrimidin-7-one, 3,4-dihydro-3-.beta.-D-ribofuranosyl- 7H-v-Triazolo[4,5-d]pyrimidin-7-one, 3,6-dihydro-3-.beta.-D-ribofuranosyl- 8-Azainosine NSC130279