O'BRIEN
\ə͡ʊbɹˈa͡ɪ͡ən], \əʊbɹˈaɪən], \əʊ_b_ɹ_ˈaɪə_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.