File:Synth-2,4'-Bipyridin.png
![File:Synth-2,4'-Bipyridin.png](https://upload.wikimedia.org/wikipedia/commons/thumb/5/57/Synth-2%2C4%27-Bipyridin.png/725px-Synth-2%2C4%27-Bipyridin.png?20081124175447)
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