PRINCIPLE OF EQUIVALENCE
\pɹˈɪnsɪpə͡l ɒv ɪkwˈɪvələns], \pɹˈɪnsɪpəl ɒv ɪkwˈɪvələns], \p_ɹ_ˈɪ_n_s_ɪ_p_əl ɒ_v ɪ_k_w_ˈɪ_v_ə_l_ə_n_s]\
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.