Polarised light micrograph of ampicillin, a semi- synthetic penicillin. Magnification: x25 at 35mm size. (purple to orange)

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Photo credit: © JOHN WALSH/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ampicillin, antibiotic, biochemical, biochemistry, chemical, chemistry, compound, compounds, crystal, crystals, drug, pharmaceutical, pharmaceutics