16754-83-9 7-(.beta.-D-Ribofuranosyl)pyrrolo[2,3-d]pyrimidine 7-Deazanebularin 7-Deazanebularine 7.beta.-D-Ribofuranosylpyrrolo-[2,3-d]pyrimidine 7H-Pyrrolo[2,3-d]pyrimidine, 7-.beta.-D-ribofuranosyl- NSC 107519 NSC107519 Nebularine, 7-deaza-