OFFICE BLOCK
\ˈɒfɪs blˈɒk], \ˈɒfɪs blˈɒk], \ˈɒ_f_ɪ_s b_l_ˈɒ_k]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.