(4S,5S,6S)-6-(trityloxy)-2-heptene-1,4,5-triol
(4R,5S,6S)-6-(trityloxy)-2-heptene-1,4,5-triol
(1R,2S)-1-Furan-2-yl-2-trityloxy-propan-1-ol
(1S,2S)-1-(2-furyl)-2-(trityloxy)-1-propanol
(1S,2S)-1-(2,5-dimethoxy-2,5-dihydro-2-furyl)-2-(trityloxy)-1-propanol