1,5-Dichloranthrachinon [Czech] 1,5-Dichloro-9,10-anthraquinone 1,5-Dichloroanthraquinone 82-46-2 9,10-Anthracenedione, 1,5-dichloro- AI3-38301 ANTHRAQUINONE, 1,5-DICHLORO- EINECS 201-424-0 NSC 13969