RELATION BACK
\ɹɪlˈe͡ɪʃən bˈak], \ɹɪlˈeɪʃən bˈak], \ɹ_ɪ_l_ˈeɪ_ʃ_ə_n b_ˈa_k]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.