| 英文名称: | | 19-nor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-, acetate (ester), o-isobuty | | ryloxime | | 17-hydroxy-19-nor-17-alpha-pregn-4-en-20-yn-3-one acetate (ester) o-isobutyry | | l oxime | | 19-nor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-,acetate (ester), o-isobutyryloxime |
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