… quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated …
Explanatory notes
… quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated … and quinone‑aldehydes are compounds which, independently of their quinone function, also contain, in their molecules, alcohol, phenol and aldehyde functions, …