CIRCLES OF HALLER
\sˈɜːkə͡lz ɒv hˈɔːlə], \sˈɜːkəlz ɒv hˈɔːlə], \s_ˈɜː_k_əl_z ɒ_v h_ˈɔː_l_ə]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.