MOLEKUUL / SCIENCE PHOTO LIBRARY MOLEKUUL / SCIENCE PHOTO LIBRARY
Gallic acid (trihydroxybenzoic acid) molecule. Present in many plants, including oak, tea and sumac. Both in the free form and is part of tannin compounds. Stylized skeletal formula (chemical structure). Atoms are shown as color-coded circles: hydrogen (hidden), carbon (grey), oxygen (red).
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