2,2'-(Azodi-4,1-phenylene)bis(6-methylbenzothiazolesulfonic acid),disodium salt, EINECS 275-151-0, Benzothiazolesulfonic acid,2,2'-(azodi-4,1-phenylene)bis(6-methyl-,disodium salt, Benzothiazole,2,2'-(1,2-diazenediyldi-4,1-phenylene)bis(6-methyl-,sodium salt (1:2), Disodium 2,2'-(azodi-p-phenylene)bis(6-methylbenzothiazolesulphonate),