1,4-Benzenediol, 2-chloro- 1,4-Dihydroxy-2-chlorobenzene 2-Chloro-1,4-benzenediol 2-Chloro-1,4-dihydroxybenzene 2-Chlorohydroquinone 615-67-8 Chlorohydroquinone Hydroquinone, chloro- Monochlorohydroquinone NSC427 WLN: L6V DVJ XG