Synonyms: Anthraquinone,1,4-dichloro-5,8-dihydroxy- (6CI,7CI,8CI);1,4-Dichloro-5,8-dihydroxy-9,10-anthracenedione;1,4-Dichloro-5,8-dihydroxy-9,10-anthraquinone;1,4-Dichloro-5,8-dihydroxyanthraquinone;1,4-Dihydroxy-5,8-dichloroanthraquinone;5,8-Dichloro-1,4-dihydroxy-9,10-anthraquinone;5,8-Dichloro-1,4-dihydroxyanthraquinone;5,8-Dichloroquinizarin;