PERPETUAL CALENDAR
\pəpˈɛt͡ʃuːə͡l kˈaləndə], \pəpˈɛtʃuːəl kˈaləndə], \p_ə_p_ˈɛ_tʃ_uː_əl k_ˈa_l_ə_n_d_ə]\
Definitions of PERPETUAL CALENDAR
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.