Reactive blue 19 alcohol; 1-Amino-2-sulfonyl-4-[3-(2-hydroxyethyl)-sulfonyl-phenyl-amino]-anthraquinone sodium salt; 2-Anthracenesulfonic acid,1-amino-9,10-dihydro-4-[[3-[(2-hydroxyethyl)sulfonyl]phenyl]amino]-9,10-dioxo-,sodium salt (1:1); 2-Anthracenesulfonic acid,1-amino-9,10-dihydro-4-[[3-[(2-hydroxyethyl)sulfonyl]phenyl]amino]-9,10-dioxo-,monosodium salt
