4-benzenesulfonyloxymethyl-2,6,7-trioxa-1-arsa-bicyclo[2.2.2]octane
4-(toluene-4-sulfonyloxymethyl)-2,6,7-trioxa-1-arsa-bicyclo[2.2.2]octane
2-hydroxymethyl-2-(toluene-4-sulfonyloxymethyl)-propane-1,3-diol
1,3-diacetoxy-2-acetoxymethyl-2-benzoyloxymethyl-propane
2-benzoyloxymethyl-2-hydroxymethyl-propane-1,3-diol