2,2-Dimethyl-propionic acid (3S,3aS,4S,7R,7aR)-3a-benzyloxy-3-hydroxy-7-methoxy-6-methyl-2,3,3a,4,7,7a-hexahydro-benzofuran-4-ylmethyl ester

2,2-Dimethyl-propionic acid (1S,4R,5R,6S)-6-benzyloxy-6-((S)-1,2-dihydroxy-ethyl)-5-hydroxy-4-methoxy-3-methyl-cyclohex-2-enylmethyl ester

(3aR,5R,6R,6aR)-6-Benzyloxy-5-((Z)-(R)-1-methoxy-3-nitro-allyl)-2,2-dimethyl-6-vinyl-tetrahydro-furo[2,3-d][1,3]dioxole

(R)-2-((3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-vinyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-2-methoxy-ethanol

((3aR,4aR,5R,8S,8aR,8bR)-8a-Benzyloxy-5-methoxy-2,2,6-trimethyl-3a,4a,5,8,8a,8b-hexahydro-benzo[4,5]furo[2,3-d][1,3]dioxol-8-yl)-methanol