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the world > matter > chemistry > organic chemistry > substances from animals or humans > [noun] > xanthine (2)
xanthic oxide1817

Chemistry. Epithet of certain compounds which produce substances of a yellow colour, or of bodies… xanthic oxide, the original name of xanthine, n.

xanthine1857

A substance (C5H4N4O2) allied to uric acid, found in various organs and secretions of the animal body; originally called xanthic oxide (see xanthic

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