5975-05-3

2',3'-Isopropylidene-isocytidine 2',3'-O-Isopropylideneisocytidine 2',3'-Di-O-isopropylidene-isocytidine 4(1H)-Pyrimidinone, 2-amino-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]- 2-Amino-1-[2,3-O-(1-methylethylidene)-beta-D-ribofuranosyl]-4(1H)-pyrimidinone