72749-80-5 83006-64-8 9-Amino-7-phenyl-5-phenylimino-4,10-disulfobenzo(a)phenazine, disodium salt 94158-24-4 Benzo(a)phenazinium, 9-amino-7-phenyl-5-(phenylamino)-4,10-disulfo-, hydroxide, inner salt, disodium salt Benzo(a)phenazinium, 9-amino-7-phenyl-5-(phenylamino)-4,10-disulfo-, inner salt, disodium salt EINECS 276-817-3 Hydrogen 9-amino-7-phenyl-5-(phenylamino)-4,10-disulphonatobenzo(a)phenazinium, disodium salt