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methyl (3S,4S,5S,6S)-3,4,5-triacetoxy-6-[[(8R,9S,13S,14S,17R)-17-acetoxy-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-yl]oxy]tetrahydropyran-2-carboxylate related products: