2,2'-Stilbenedisulfonic acid, 4,4'-bis((8-(ethylamino)-1-hydroxy-3,6-disulfo-2-naphthyl)azo)-, triethanolamine salt (1:6) 2,7-Naphthalenedisulfonic acid, 3,3'-(1,2-ethenediylbis((3-sulfo-4,1-phenylene)azo))bis(5-(ethylamino)-4-hydroxy-, compdwith 2,2',2''-nitrilotris(ethanol) (1:6) 71832-72-9