4-[(2R,3S,5S)-5-(2-Benzyloxy-ethyl)-3-hydroxy-tetrahydro-furan-2-yl]-butyric acid

(2S,3aS,8aR)-2-(2-Benzyloxy-ethyl)-hexahydro-furo[3,2-b]oxepin-5-one

[(2R,3S,5S)-5-(2-Benzyloxy-ethyl)-2-(3-[1,3]dioxolan-2-yl-propyl)-tetrahydro-furan-3-yloxy]-tert-butyl-dimethyl-silane

Phosphoric acid (2S,3aS,8aR)-2-(2-benzyloxy-ethyl)-2,3,3a,7,8,8a-hexahydro-furo[3,2-b]oxepin-5-yl ester diphenyl ester