Synonyms: 1H-1,2,4-Triazole-3-carboxylicacid,5,5'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[azo(2-amino-5-hydroxy-7-sulfo-6,1-naphthalenediyl)azo]]bis-,tetrasodium salt (9CI); C.I. Direct Blue 150, tetrasodium salt (8CI); BenzoCuprol Navy Blue RL; Benzo Fast Copper Navy Blue RL; C.I. 35110; C.I. DirectBlue 150; Cuproxon Navy Blue; Cuproxon Navy Blue RL; Direct Blue 150