Einecs 245-981-8

3-(1-Butyl-1,2-dihydro-4-hydroxy-2-oxoquinolin-3-ylazo)-5-chloro-2-hydroxybenzenesulfonic acid

3-[(1-butyl-1,2-dihydro-4-hydroxy-2-oxo-3-quinolyl)azo]-5-chloro-2-hydroxybenzenesulphonic acid

3-[(1-butyl-1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl)azo]-5-chloro-2-hydroxy-Benzenesulfonic acid