PRESIDENT MADISON
\pɹˈɛzɪdənt mˈadɪsən], \pɹˈɛzɪdənt mˈadɪsən], \p_ɹ_ˈɛ_z_ɪ_d_ə_n_t m_ˈa_d_ɪ_s_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.