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50.0 MB (323.5 KB compressed)
4526 x 3862 pixels
38.4 x 32.8 cm ⏐ 15.1 x 12.9 in (300dpi)
MOLEKUUL / SCIENCE PHOTO LIBRARY MOLEKUUL / SCIENCE PHOTO LIBRARY
Tramadol opioid analgesic drug molecule. Stylized skeletal formula (chemical structure). Atoms are shown as color-coded circles: hydrogen (hidden), carbon (grey), oxygen (red), nitrogen (blue).
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