AC1L3VTV;1-Methyl-2-(4-((2-pyridinylhydrazono)methyl)phenyl)imidazo(1,2-a)pyridinium, salt with 4-methylbenzenesulfonic acid (1:1);123510-67-8;4-methylbenzenesulfonate; N-[[4-(1-methylimidazo[1,2-a]pyridin-4-ium-2-yl)phenyl]methylideneamino]pyridin-2-amine