Viagra. Computer model of a molecule of the drug sildenafil. It is sold under the brand names Viagra and Revatio. It is a phosphodiesterase inhibitor,

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Viagra. Computer model of a molecule of the drug sildenafil. It is sold under the brand names Viagra and Revatio. It is a phosphodiesterase inhibitor, and is an impotency drug, used to treat erectile dysfunction. This drug was developed by Pfizer. The molecule's chemical formula is Atoms (spheres) are colour-coded: carbon (grey), hydrogen (light blue), nitrogen (dark blue), oxygen (orange), sulphur (yellow).

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Size: 4591px × 3000px
Photo credit: © LAGUNA DESIGN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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