1H-1,2,4-Triazolium, 5-((4-((2-(benzoyloxy)ethyl)ethylamino)phenyl)azo)-1,4-dimethyl-, sulfate (1:1) 3-((4-(Ethyl(2-((phenylcarbonyl)oxy)ethyl)-amino)phenyl)azo)-2,4-dimethyl-1,2,4-triazolium hydrogen sulfate 72828-94-5