7-[[4-[[4-[[(Sodiosulfo)methyl]amino]phenyl]azo]phenyl]azo]-1,3,5-naphthalenetrisulfonic acid trisodium salt
tetrasodium 7-[[4-[[4-[(sulphonatomethyl)amino]phenyl]azo]phenyl]azo]naphthalene-1,3,5-trisulphonate
CAS: 68400-39-5
Molecular Formula: C23H15N5Na4O12S4