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  • Acetic acid (2R,3S,8S,9S,10R,13S,14S,17R)-3-acetoxy-17-[(S)-1-((4R,5S)-5-isobutyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-10,13-dimethyl-6-oxo-hexadecahydro-cyclopenta[a]phenanthren-2-yl ester

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