1-Amino-4-bromo-2-anthraquinonesulfonic acid, sodium salt acid 1-Amino-4-bromo-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid 1-Amino-4-bromo-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt 116-81-4 2-Anthracenesulfonic acid, 1-amino-4-bromo-9,10-dihydro-9,10-dioxo- Alizarine Cyanol Grey G Bromamine acid Bromaminic acid NSC7574