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(2E)-2-(3-hydroxy-10,13-dimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ylidene)acetonitrile cas 17666-64-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application