NELL GWYNN
\nˈɛl ɡwˈɪn], \nˈɛl ɡwˈɪn], \n_ˈɛ_l ɡ_w_ˈɪ_n]\
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.