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Trifluoro-acetic acid (R)-1-((R)-4-isopropyl-3-methoxymethoxy-5-oxo-2,5-dihydro-furan-2-yl)-1-((1aR,3aR,3bS,5aS,6S,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-ethyl ester
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Acetic acid (1R,2R,3S)-2-hydroxy-1-[(S)-1-((3S,5S,6R,8S,9S,10R,13S,14S,17R)-3-hydroxy-6-methoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-ethyl]-3,4-dimethyl-pentyl ester