2-((4-(Ethyl(2-hydroxy-1-methylethyl)amino)phenyl)azo)-6-methoxy-3-methylbenzothiazolium chloride 2-((4-(Ethyl(2-hydroxyisopropyl)amino)phenyl)azo)-6-methoxy-3-methylbenzothiazolium chloride 71215-82-2 Benzothiazolium, 2-((4-(ethyl(2-hydroxy-1-methylethyl)amino)phenyl)azo)-6-methoxy-3-methyl-, chloride EINECS 275-270-8