<p><b>19-去甲孕酮</b>（英語：<span lang="en">19-Norprogesterone</span>）也叫做<b>19-去甲孕甾-4-烯-3,20-二酮</b>（英語：<span lang="en">19-norpregn-4-ene-3,20-dione</span>）是性激素孕酮的結構類似物，只少了19號C原子的甲基。19-去甲孕酮首次合成於1944年，但1944年的產物帶有多種立體異構物。
</p>
<h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**19 - 去甲孕酮**（英語：19-Norprogesterone）也叫做 **19 - 去甲孕甾 - 4 - 烯 - 3,20 - 二酮**（英語：19-norpregn-4-ene-3,20-dione）是性激素孕酮的結構類似物，只少了 19 號 C 原子的甲基。19 - 去甲孕酮首次合成於 1944 年，但 1944 年的產物帶有多種立體異構物。

## 參考文獻
19-去甲孕酮