21ST CENT. HISTORY

\twˈɛntifˈɜːst sˈɛnt], \twˈɛntifˈɜːst sˈɛnt], \t_w_ˈɛ_n_t_i_f_ˈɜː_s_t s_ˈɛ_n_t]\

Definitions of 21ST CENT. HISTORY

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2010 - Medical Dictionary Database
By DataStellar Co., Ltd

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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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