![](http://www.alamy.com/thumbs/6/3BDB60BA-1D74-4760-ACD3-DAB504521596/2M5BK4D.jpg)
Molecular model of the synthetic opioid analgesic (painkiller) fentanyl that is used to treat severe pain and as an anaesthetic. Recreational use ofte
Molecular model of the synthetic opioid analgesic (painkiller) fentanyl that is used to treat severe pain and as an anaesthetic. Recreational use often results in lethal overdoses. Atoms are represented as spheres and are colour-coded: carbon (black), hydrogen (white), nitrogen (blue) and oxygen (red).
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Photo credit: © ***DEPENDS ON PIC***/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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