methyl 2,3-O-isopropylidene-D-lyxofuranoside

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

(3E,5S,6R)-5,6-(O-isopropylidene)-5,6-dihydroxyicos-3-en-2-one

(2S,3E,5S,6R)-5,6-(O-isopropylidene)icos-3-ene-2,5,6-triol