| 英文名称: | | a-norpregn-20-yne-2,17-diol, 2-ethynyl-, 2-(1-piperidineacetate), (2-beta,5-alp | | 17-alpha)-h | | (2-beta,5-alpha,17-alpha)-2-ethynyl-a-norpregn-20-yne-2,17-diol 2-(1-piperidi | | neacetate) | | 2-ethynyl-,2-(1-piperidineacetate), (2-beta,5-alpha,17-alpha)-a-norpregn-20-yne-17-diol |
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