Synonyms: Naphthalenedisulfonic acid, diisononyl-, compd. with 2,2',2''-nitrilotris(ethanol) (1:2);Diisononylnaphthalenedisulfonic acid, compd. with 2,2',2''-nitrilotris(ethanol) (1:2);Diisononylnaphthalenedisulphonic acid, compound with 2,2',2''-nitrilotriethanol (1:2);3,4-bis(7-methyloctyl)naphthalene-1,2-disulfonic acid - 2,2',2''-nitrilotriethanol (1:1)