2,7-naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[[4-(6-methyl-4-sulfo-2-ben

7-Naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[[4-(6-methyl-4-sulfo-2-benzothiazolyl)phenyl]azo]2

5-[[2,4-Dihydroxy-5-[[4-(6-methyl-4-sulfobenzothiazol-2-yl)phenyl]azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid

5-[[2,4-dihydroxy-5-[[4-(6-methyl-4-sulphobenzothiazol-2-yl)phenyl]azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid