| 释义 |
nor·eth·in·drone AHD[nôr-ĕthʹĭn-drōn'] D.J.[nɔːrˈeθɪnˌdrəʊn]K.K.[nɔrˈɛθɪnˌdron]n.（名词）- A progestational hormone, C20H 26O 2, similar in effect to progesterone, used especially in oral contraceptives. 炔诺酮：合成的避孕激素，C20H 26O 2，类似黄体酮的药效，尤其用作口服避孕药
- Alteration and rearrangement of chemical name, such as norethynylandrostenolone 化学名称的变化和重新排列，如 norethynylandrostenolone
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