Molecular model of sildenafil, also marketed as Viagra. Atoms are colour-coded: carbon (mid blue), hydrogen (light blue), oxygen (grey), nitrogen (transparent blue). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCI-COMM STUDIOS |
Bildgröße: | 4000 px × 2250 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |