File:Red-2,4'-Bipyridin.png
![File:Red-2,4'-Bipyridin.png](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Red-2%2C4%27-Bipyridin.png/740px-Red-2%2C4%27-Bipyridin.png?20081124180000)
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