Synonyms: disodium 1-amino-4-[[4-[(2-bromo-1-oxoallyl)amino]-2-sulphonatophenyl]amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate;2-Anthracenesulfonic acid, 1-amino-4-4-(2-bromo-1-oxo-2-propenyl)amino-2-sulfophenylamino-9,10-dihydro-9,10-dioxo-, disodium salt;1-Amino-4-[4-(2-bromo-1-oxo-2-propenylamino)-2-(sodiosulfo)phenylamino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt