disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate;5-Chloro-2-[4-chloro-1-(sodiosulfooxy)-2-naphthalenyl]-7-methoxy-4-methyl-1H-indol-3-ol (sulfuric acid sodium) salt;Anthrasol Blue AGG;C.I.73801;C.I.Solubilised Vat Blue 8;Indigosol Blue AGG;Sandozol Printing Blue 2G