1-Amino-9,10-dihydro-9,10-dioxo-4-((3-((1-oxopropyl)amino)phenyl)amino)anthracene-2-sulphonic acid 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-9,10-dioxo-4-((3-((1-oxopropyl)amino)phenyl)amino)- 87186-92-3 EINECS 289-304-4