LEATHERWORK
\lˈɛðəwˌɜːk], \lˈɛðəwˌɜːk], \l_ˈɛ_ð_ə_w_ˌɜː_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.