LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Topotecan,. Molecular model of the drug topotecan (C23.H23.N3.O5), a chemotherapy agent that acts as a topoisomerase I inhibitor. It is used to treat ovarian cancer and lung cancer as well as other cancer types. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
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