Methyl 2-deoxy-D-erythro-pentofuranoside60134-26-131 % similar 2',3'-O-(1-Methylethylidene)inosine2140-11-630 % similar 2′,3′-O-Isopropylideneadenosine362-75-430 % similar 2-((3Ar,4S,6R,6as)-6-amino-2,2-dimethyltetrahydro-3ah-cyclopenta[D][1,3]dioxol-4-yloxy)ethanol L-tataric acid376608-65-030 % similar