31301-56-1
12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene
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75-36-5
乙酰氯
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2960-76-1
1-(12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthren-6-yl)ethanone