| 单词 | 19 Norandrostenes |
| 释义 | 19 Norandrostenes《英文msh词典》19 Norandrostenes [入口词] 19 Norandrostenes [主题词] Estrenes [英文释义] Unsaturated derivatives of the ESTRANES with methyl groups at carbon-13,with no carbon at carbon-10,and with no more than one carbon at carbon-17. They must contain one or more double bonds. |
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