benzoquinone
/ˌbenzəʊˈkwɪnəʊn/noun
mass noun
1- Chemistry a yellow crystalline compound related to benzene but having two hydrogen atoms replaced by oxygen【化】苯醌。
1.1
- Chem. formula: C6H4O2; there are two isomers, with the oxygen atoms on opposite (1,4-benzoquinone) or adjacent (1,2-benzoquinone) carbon atoms.化学分子式： C6H4O2; 有两种同分异构体, 即1,4-苯醌和1,2-苯醌。