POSITION DESCRIPTIONS
\pəzˈɪʃən dɪskɹˈɪpʃənz], \pəzˈɪʃən dɪskɹˈɪpʃənz], \p_ə_z_ˈɪ_ʃ_ə_n d_ɪ_s_k_ɹ_ˈɪ_p_ʃ_ə_n_z]\
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.