NEGRO-HEAD
\nˈiːɡɹə͡ʊhˈɛd], \nˈiːɡɹəʊhˈɛd], \n_ˈiː_ɡ_ɹ_əʊ_h_ˈɛ_d]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.