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4-[2-[(10S,11S,13S,17S)-11-Hydroxy-6,9,10,13,16,17-hexamethyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl]-1,3-dioxolan-2-one


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