(3aR,5S,6S,6aR)-5-[(R)-2-Hydroxy-1-(1-methoxy-ethoxy)-ethyl]-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-ol

(3aR,5R,6S,6aR)-6-Methoxy-5-[(R)-2-methoxy-1-(tetrahydro-pyran-2-yloxy)-ethyl]-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

Methanesulfonic acid (S)-2-((2S,4S)-4-amino-5-oxo-tetrahydro-furan-2-yl)-2-hydroxy-ethyl ester

4S,5S-2-(N-benzyloxycarbonyl)amino-5,6-dihydroxyhex-2-en-4-olide