Synonyms: Chromate(3-),[7-[(aminohydroxyphenyl)azo]-3-[[5-(aminosulfonyl)-2-(hydroxy-kO)phenyl]azo-kN1]-4-(hydroxy-kO)-2-naphthalenesulfonato(3-)][3-[[5-(aminosulfonyl)-2-(hydroxy-kO)phenyl]azo-kN1]-4-(hydroxy-kO)-7-[[2-hydroxy-1-[(phenylamino)carbonyl]-1-propenyl]azo]-2-naphthalenesulfonato(3-)]-,trisodium (9CI); Chromate(3-),[7-[(aminohydroxyphenyl)azo]-3-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-4-hydroxy-2-naphthalenesulfonato(3-)][3-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-4-hydroxy-7-[[2-hydroxy-1-[(phenylamino)carbonyl]-1-propenyl]azo]-2-naphthalenesulfonato(3-)]-,trisodium; 2-Naphthalenesulfonic acid,3-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-4-hydroxy-7-[[2-hydroxy-1-[(phenylamino)carbonyl]-1-propenyl]azo]-,chromium complex; 2-Naphthalenesulfonic acid,7-[(aminohydroxyphenyl)azo]-3-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-4-hydroxy-,chromium complex