1-HYDROXY-4-[[4-[(METHYLSULFONYL)OXY]PHENYL]AMI* 1-Hydroxy-4-((4-((methylsulphonyl)oxy)phenyl)amino)anthraquinone 1594-08-7 9,10-Anthracenedione, 1-hydroxy-4-((4-((methylsulfonyl)oxy)phenyl)amino)- Anthraquinone, 1-hydroxy-4-(p-hydroxyanilino)-, 4-methanesulfonate (ester) EINECS 216-475-4