ALKALI BLUE 6 B SOLUTION,ACID-BASE INDI CATOR, sodium [[4-[(4-amino-m-tolyl)[4-(phenylimino)cyclohexa-2,5-dien-1-ylidene]methyl]phenyl]amino]benzenesulphonate, ACID BLUE 110
4-[(4-{(4-amino-3-methylphenyl)hydroxy[4-(phenylamino)phenyl]methyl}phenyl)ami no]benzenesulfonic acid,sodium salt, Alkali blue 6 B solution, Alkali blue solution