1,2-bis[4-fluoro-6-4-sulfo-5-(2-(4-sulfonaphtalene-3-ylazo)-1-hydroxy-3,6-disulfo-8-aminonaphthalene-7-ylazo)phenylamino-1,3,5-triazin-2ylamino]ethane;x-sodium, y-potassium salts x = 7,755 y = 0,245
1,2-bis[4-fluoro-6-4-sulfo-5-(2-(4-sulfonaphtalene-3-ylazo)-1-hydroxy-3,6-disulfo-8-aminonaphthalene-7-ylazo)phenylamino-1,3,5-triazin-2ylamino]ethane; x-sodium, y-potassium salts x = 7,755 y = 0,245