1H-1,2,4-Triazolium, 3-((4-((2-(benzoyloxy)ethyl)ethylamino)phenyl)azo)-1,4-dimethyl-, methyl sulfate 3-((4-(Ethyl(2-((phenylcarbonyl)oxy)ethyl)amino)phenyl)azo)-1,4-dimethyl-1,2,4-triazolium methyl sulfate 72987-19-0