reaction mass of: 4-amino-3-(4-ethenesulfonyl-2-sulfonatophenylazo)-5-hydroxy-6-(5-{]4-chloro-6-[}4-(2-sulfonatooxyethanesulfonyl)phenylamino{]-1,3,5-triazin-2-ylamino[}-2-sulfonatophenylazo)naphthalene-2,7-disulfonate potassium/sodium; 4-amino-5-hydroxy-6-(5-{]4-chloro-6-[}4-(2-sulfonatooxyethanesulfonyl)phenylamino{]-1,3,5-triazin-2-ylamino[}-2-sulfonatophenylazo)-3-(2-sulfonato-4-(2-sulfonatooxyethanesulfonyl)phenylazo)naphthalene-2,7-disulfonate potassium/sodium