4-(2-((6S 8S 9S 10R 11S 13S 14S 17R)-11 17-dihydroxy-6 10 13-trimethyl-3-oxo-2 3 6 7 8 9 10 11 12 13 14 15 16 17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

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