EXTERNAL CEPHALIC VERSION
\ɛkstˈɜːnə͡l sɛfˈalɪk vˈɜːʃən], \ɛkstˈɜːnəl sɛfˈalɪk vˈɜːʃən], \ɛ_k_s_t_ˈɜː_n_əl s_ɛ_f_ˈa_l_ɪ_k v_ˈɜː_ʃ_ə_n]\
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Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.