12270-13-2 15000-69-8 2-((4-(Ethyl(2-hydroxyethyl)amino)phenyl)azo)-6-methoxy-3-methylbenzothiazolium methyl sulphate 61356-34-1 Basic blue 41 Benzothiazolium, 2-((4-(ethyl(2-hydroxyethyl)amino)phenyl)azo)-6-methoxy-3-methyl-, methyl sulfate (salt) CI 11154 EINECS 235-546-0 Ethanol, 2-(ethyl(4-((6-methoxy-3-methyl-2-benzothiazolium)azo)phenyl)amino)-, methyl sulfate