STAMP-COLLECTER
\stˈampkəlˈɛktə], \stˈampkəlˈɛktə], \s_t_ˈa_m_p_k_ə_l_ˈɛ_k_t_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.