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methyl (4R,4aR,4bS,6aS,12aS,12bR,14R,14aS)-4,14-dihydroxy-1,1,4a,6a,12b-pentamethyl-2,3,4,4a,4b,5,6,6a,12,12a,12b,13,14,14a-tetradecahydro-1H-naphtho[2,1-a]xanthene-10-carboxylate related products: