(4aS,4bR,8R,8aS,10R,10aS)-4,4a,4b,5,8a,9,10,10a-octahydro-1-(2-(triisopropylsilyloxy)ethyl)-2-(3-hydroxypropyl)-8,10-bis(methoxymethoxy)-4a,6-dimethylphenanthren-3(8H)-one

ethyl 2-((1R,2S,3S)-2-((R)-2-(benzyloxy)-1-hydroxyethyl)-3-hydroxycyclopentyl)acetate

ethyl (S)-2-((1S,2S,3S)-2-((R)-2-(benzyloxy)-1-hydroxyethyl)-3-hydroxycyclopentyl)propanoate

ethyl 2-{2-(acetoxymethyl)-5-[3-(4-methoxybenzyloxy)propyl]-3-oxo-2,3-dihydrofuran-2-yl}-2-oxoacetate