ELLA MARU STUDIO / SCIENCE PHOTO LIBRARY ELLA MARU STUDIO / SCIENCE PHOTO LIBRARY
Molecular model of the barbiturate derivative amobarbital. First synthesized in Germany in 1923, amobarbital has sedative-hypnotic properties. Chemical formula is C11H18N2O3. Atoms are represented as spheres: carbon (grey), hydrogen (white), nitrogen (blue), oxygen (red). Illustration.
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