SAMUEL CAHEN
\sˈamjuːl kˈahən], \sˈamjuːl kˈahən], \s_ˈa_m_j_uː_l k_ˈa_h_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.