LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Porphin. Molecular model of the organic compound porphin (C20.H14.N4), also known as porphine. This is an aromatic and heterocyclic compound, used to produce biochemically significant compounds called porphyrins. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and nitrogen (blue). Illustration.
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