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  • (4R,6S)-6-{(S)-1-[(3S,5S,8R,9S,10S,13S,14S,17R)-3-(tert-Butyl-diphenyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethyl}-4-isopropyl-tetrahydro-pyran-2-ol

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