File:3,4-dichloro-4'-Methoxyfentanyl Structure.png
![File:3,4-dichloro-4'-Methoxyfentanyl Structure.png](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/3%2C4-dichloro-4%27-Methoxyfentanyl_Structure.png/799px-3%2C4-dichloro-4%27-Methoxyfentanyl_Structure.png?20201118214839)
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