26239-45-2 5'-(Bis(2-acetoxyethyl)amino)-2'-((4-((2-chloro-4-nitrophenyl)azo)-2,5-dimethoxyphenyl)azo)methanesulfonanilide Methanesulfonanilide, 5'-(bis(2-hydroxyethyl)amino)-2'-((4-((2-chloro-4-nitrophenyl)azo)-2,5-dimethoxyphenyl)azo)-, diacetate (ester)