BSIP, BARTHELEMY / SCIENCE PHOTO LIBRARY BSIP, BARTHELEMY / SCIENCE PHOTO LIBRARY
Aspirin molecule. Computer graphic of an aspirin molecule. Aspirin, or acetylsalicylic acid, is a painkilling drug and an anti-inflammatory. The atoms which make up the molecule are colour-coded: carbon is silver, oxygen is red and hydrogen is white. The lines between these atoms represent chemical bonds.
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