| 英文名称: | | 6-dien-20-yn-3-one, 17-hydroxy-19-nor-17-alpha-pregna- acetate | | 17-alpha-ethynyl-19-nor-delta(sup 4,6)-androstadiene-17-beta-ol-3-one-17-acet | | 17-beta-hydroxy-19-nor-17-alpha-pregna-4,6-dien-20-yn-3-one acetate | | 17-hydroxy-19-nor-17-alpha-pregna-4,6-dien-20-yn-3-one acetate | | 6-dien-20-yn-3-one,17-hydroxy-19-nor-17-alpha-pregna- acetate |
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