Vitamin B3 (nicotinic acid), molecular model. Insufficient intake of vitamin B3 leads to a disease called pellagra. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kon, Kateryna |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |