UNDERGRUB
\ˌʌndəɡɹˈʌb], \ˌʌndəɡɹˈʌb], \ˌʌ_n_d_ə_ɡ_ɹ_ˈʌ_b]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.