FIVE-HUNDREDTH
\fˈa͡ɪvhˈʌndɹədθ], \fˈaɪvhˈʌndɹədθ], \f_ˈaɪ_v_h_ˈʌ_n_d_ɹ_ə_d_θ]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.