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  • (2R,6R)-6-((3S,9S,10R,13R,14R,17R)-3-((tert-butyldimethylsilyl)oxy)-4,4,10,13-tetramethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methylheptan-1-ol

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