UNPLAYFUL
\ʌnplˈe͡ɪfə͡l], \ʌnplˈeɪfəl], \ʌ_n_p_l_ˈeɪ_f_əl]\
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.