SIXTY-SEVEN
\sˈɪkstisˈɛvən], \sˈɪkstisˈɛvən], \s_ˈɪ_k_s_t_i_s_ˈɛ_v_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.