MANIGRAPH
\mˈanɪɡɹˌaf], \mˈanɪɡɹˌaf], \m_ˈa_n_ɪ_ɡ_ɹ_ˌa_f]\
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.