(1S,4S,5S,6S)-2-(hydroxymethyl)-5,6-(isopropylidenedioxy)-3-(2-pyridylsulphenyl)-7-oxabicyclo<2.2.1>hept-2-ene

Methyl (1R,2R,3S,4S,5R)-2,3-O,O-isopropylidene-2,3-dihydroxy-7-oxabicyclo<2.2.1>heptane-5-carboxylate

(1'R,2'S,5'R)-menthyl (1S,4S,5S,6S)-5,6-(isopropylidenedioxy)-3-(2-pyridylthio)7-oxabicyclo<2.2.1>hept-2-ene-2-carboxylate

(1S,2S,3S,4S,5S,6S)-2-Hydroxymethyl-5,6-O,O-isopropylidene-5,6-dihydroxy-3-(2-pyridylthio)-7-oxabicyclo<2.2.1>heptane

(3aS,7R,7aR)-methyl 7-hydroxy-2,2-dimethyl-3a,6,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate