SECUNDUM

\sɛkˈʌndəm], \sɛkˈʌndəm], \s_ɛ_k_ˈʌ_n_d_ə_m]\
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1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry

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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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