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\plˈe͡ɪ dˈa͡ʊn], \plˈeɪ dˈaʊn], \p_l_ˈeɪ d_ˈaʊ_n]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.