HASNERS VALVE
\hˈasnəz vˈalv], \hˈasnəz vˈalv], \h_ˈa_s_n_ə_z v_ˈa_l_v]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.