洛克化工
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2,2,4,4,6,6,7,7-octamethyl-1,3,5,2,4,6,7-trioxatetrasilepane
2,2,4,4,6,6,7,7-octamethyl-1,3,5,2,4,6,7-trioxatetrasilepane
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[(3R,8R,9S,10R,13S,14S)-10,13-dimethyl-17-oxo-1,2,3,4,7,8,9,11,12,14-decahydrocyclopenta[a]phenanthren-3-yl] acetate
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