MEXICAN ONYX
\mˈɛksɪkən ˈɒnɪks], \mˈɛksɪkən ˈɒnɪks], \m_ˈɛ_k_s_ɪ_k_ə_n ˈɒ_n_ɪ_k_s]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.