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19-Nor-17-α-pregn-4-en-20-yn-17-ol CAS NO.52-76-6
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- ProName: 19-Nor-17-α-pregn-4-en-20-yn-17-ol
- CasNo: 52-76-6
- Molecular Formula: C20H28O
- LimitNum: 0
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![Androst-4-en-3-one,17-[(1-oxoheptyl)oxy]-, (17b)-](http://file1.lookchem.com/cas/reactions/2021/07/21/3170544.png)
![19-Norpregn-4-en-20-yn-3-one,17-[(1-oxoheptyl)oxy]-, (17a)-](http://file1.lookchem.com/cas/reactions/2021/09/15/3176529.png)
