2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-3-((6-sulfo-2-naphthalenyl)azo)-, compd. with 2,2',2''-(nitrilotris(2,1-ethanediyloxy))tris(ethanol) (1:3) 64683-39-2 7,7'-(Carbonyldiimino)bis(4-hydroxy-3-((6-sulpho-2-naphthyl)azo)naphthalene-2-sulphonic) acid, compound with 2,2',2''-(nitrilotris(ethyleneoxy))triethanol (1:3) EINECS 265-015-9