[3-acetoxy-2-(2-hydroxy-1,1-dimethyl-ethyl)-2-methoxy-6-(2,2,5-trimethyl-[1,3]dioxolan-4-ylmethyl)-tetrahydro-pyran-4-ylidene]-acetic acid methyl ester

[3-acetoxy-2-(1,1-dimethyl-2-oxo-ethyl)-2-methoxy-6-(2,2,5-trimethyl-[1,3]dioxolan-4-ylmethyl)-tetrahydro-pyran-4-ylidene]-acetic acid methyl ester

[3-acetoxy-2-(1,1-dimethyl-octa-2,7-dienyl)-2-methoxy-6-(2,2,5-trimetyl-[1,3]dioxolan-4-ylmethyl)-tetrahydro-pyran-4-ylidene]-acetic acid methyl ester

methyl (E)-2-((2S,3S,6S)-3-acetoxy-6-((2R,3R)-2,3-dihydroxybutyl)-2-hydroxy-2-((E)-2-methylnona-3,8-dien-2-yl)tetrahydro-4H-pyran-4-ylidene)acetate