LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Folic acid. Molecular model of folic acid (C19.H19.N7.O6), one form of the water-soluble vitamin B9. This vitamin is essential to many body functions. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
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