Vitamin B3 (nicotinic acid),molecular model. Insufficient intake 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 / Laguna Design |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |