Viagra. Molecular model of the drug sildenafil citrate,marketed under the brands Viagra and Revatio. Atoms are represented as spheres and are colour-coded: carbon (black),hydrogen (grey),nitrogen (blue),oxygen (red),sulphur (yellow). Sildenafil citrate is prescribed as an impotency drug for treating erectile dysfunction. It is also prescribed as treatment for pulmonary hypertension | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Maslo, Miriam |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |