98072-78-7 Benzoic acid, 2-amino-, diazotized, coupled with 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid, diazotized 3,3'-dimethyl(1,1'-biphenyl)-4,4'-diamine and 5,5'-((5-hydroxy-1,3-phenylene)bis(oxy))bis(1,3-benzenediol), sodium salt EINECS 308-534-9