(3aR,6aR)-6-((methoxymethoxy)methyl)-2,2-dimethyl-3aH-cyclopenta[d][1,3]dioxol-4(6aH)-one

(1S,4R,5S)-4,5-isopropylidenedioxy-3-(((methoxy)methoxy)methyl)cyclopent-2-enol

(3aS,6aR)-6-methoxy-4-((methoxymethoxy)methyl)-2,2-dimethyl-3a,6a-dihydro-4H-cyclopenta[d][1,3]dioxol-4-ol

6-chloro-9-((3aS,4R,6aR)-6-((methoxymethoxy)methyl)-2,2-dimethyl-3a,6a-dihydro-4H-cyclopenta[d][1,3]dioxol-4-yl)-9H-purine

(1R,5S)-8-methoxy-3,3-dimethyl-2,4-dioxabicyclo-[3.3.0]oct-7en-6-one