Synonyms: C.I. Direct Blue 263, lithium triethanolamine salt;Cuprate(3-), (mu-(7-(2-(3,3'-di(hydroxy-kappaO)-4'-(2-(2-(hydroxy-kappaO)-1-naphthalenyl)diazenyl-kappaN1)(1,1'-biphenyl)-4-yl)diazenyl-kappaN1)-8-(hydroxy-kappaO)-1,3,6-naphthalenetrisulfonato(7-)))di-, lithium salts, compds. with triethanolamine