BUILDING LIEN
\bˈɪldɪŋ lˈiːən], \bˈɪldɪŋ lˈiːən], \b_ˈɪ_l_d_ɪ_ŋ l_ˈiː__ə_n]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.