PRE-PREFERENCE
\pɹˈiːpɹˈɛfɹəns], \pɹˈiːpɹˈɛfɹəns], \p_ɹ_ˈiː_p_ɹ_ˈɛ_f_ɹ_ə_n_s]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.