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[2-[(5R,8S,9S,10S,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-4,5,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]-2-oxo-ethyl] acetate cas 4269-76-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated plac