Synonyms: 2-Naphthalenecarboxamide,4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-hydroxy-N-phenyl-(9CI); C.I. Pigment Blue 25 (8CI);3,3'-Methoxy,4,4'-diphenylbis(1''-azo-2''-hydroxy-3''-naphthanilide);4,4'-Bis(2-hydroxy-3-phenylcarbamoylnaphthyl-1-azo)-3,3'-dimethoxydiphenyl;4,4'-[(3,3'-Dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-hydroxy-N-phenylnaphthalene-2-carboxamide];C.I. 21180; Congo Blue B 81; Diane Blue; Diane Blue B 34; Fenalac Blue W Toner;Lake Navy Blue BB; Pigment Blue 25; Pigment Navy B; Symuler Fast Blue 4135