(2S,3R,4S,5R)-2-(((2S,3R,4R,5S)-3-acetoxy-2-(((3S,8R,9S,10R,13S,14S,16S,17S)-3-((tert-butyldimethylsilyl)oxy)-17-hydroxy-17-((S)-1-(2-isopentyl-1,3-dioxolan-2-yl)ethyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-16-yl)oxy)-5-((triethylsilyl)oxy)tetrahydro-2H-pyran-4-yl)oxy)-4,5-bis((4-methoxybenzyl)oxy)tetrahydro-2H-pyran-3-yl 4-methoxybenzoate

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