potassium sodium 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-1,3-disulphonate

1,3-Naphthalenedisulfonic acid,7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl] cyclohexyl] phenyl]azo]-,potassium sodium salt

1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl) azo]phenyl] cyclohexyl] phenyl]azo]-, potassium sodium salt

7-Hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-1,3-naphthalenedisulfonic acid/potassium/sodium,(1:x:x) salt