HUMANKIND
\hjˈuːmɐŋkˌa͡ɪnd], \hjˈuːmɐŋkˌaɪnd], \h_j_ˈuː_m_ɐ_ŋ_k_ˌaɪ_n_d]\
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.