4,10-7H-Benzo(a)phenazinedisulfonic acid, 9-((2-methoxyphenyl)amino)-7-phenyl-5-phenylimino-, alkyl (C15-C23)amine salt (1:2) 68155-31-7 Amines, C15-23-sec-alkyl, compds. with 9-((2-methoxyphenyl)amino)-7-phenyl-5-(phenylamino)-4,10-disulfobenzo(a)phenazinium hydroxide inner salt (2:1)