1-O-methyl-2,3-O-isopropylidene-5-O-(methanesulfonyl)-β-D-ribofuranoside

(3aS,4S,6aR)-4-(bromomethyl)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole

D-吡喃核糖

ethyl 2-((3aR,4S,6R,6aS)-6-(6-chloro-5-nitro-2-(propylthio)-pyrimidin-4-ylamino)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yloxy)-acetate

4-chloro-6-methoxy-5-nitro-2-(propylthio)pyrimidine