PREFINITION
\pɹɪfɪnˈɪʃən], \pɹɪfɪnˈɪʃən], \p_ɹ_ɪ_f_ɪ_n_ˈɪ_ʃ_ə_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.