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[(5S,8R,9S,10S,13S,14S,17S)-13-methyl-3-oxo-2,4,5,6,7,8,9,10,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate cas 33767-87-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG d