Synonyms: N-(2-((2-(4-((1-Amino-8-hydroxy-2-naphthyl-7-phenylazo-3,6-disulpho)azo)phenyl)-1H-benzimidazol-5-yl)azo)-5-hydroxyphenyl)glycine, compound with 2,2'-iminobisethanol (1:3);Glycine, N-(2-((2-(4-((1-amino-8-hydroxy-7-(phenylazo)-3,6-disulfo-2-naphthalenyl)azo)phenyl)-1H-benzimidazol-5-yl)azo)-5-hydroxyphenyl)-, compd. with 2,2'-iminobis(ethanol) (1:3)