MIRIAM MASLO / SCIENCE PHOTO LIBRARY MIRIAM MASLO / SCIENCE PHOTO LIBRARY
Levitra. Molecular model of the drug vardenafil, marketed under the brand Levitra. Atoms are represented as spheres and are colour-coded: carbon (black), hydrogen (silver), nitrogen (blue), oxygen (red), sulphur (yellow). Vardenafil is prescribed as an impotency drug for treating erectile dysfunction.
Model release not required. Property release not required.