BIOGRAPH

\bˈa͡ɪəɡɹˌaf], \bˈa‍ɪəɡɹˌaf], \b_ˈaɪ_ə_ɡ_ɹ_ˌa_f]\
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1919 - The Winston Simplified Dictionary
By William Dodge Lewis, Edgar Arthur Singer
 
1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald

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Quinones

  • Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.
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