UPPER CRUST
\ˌʌpə kɹˈʌst], \ˌʌpə kɹˈʌst], \ˌʌ_p_ə k_ɹ_ˈʌ_s_t]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.