Photoresist Chemicals 1H-Imidazo(1,2-a)pyridin-4-ium, 1,1-(1,2-ethanediyl)bis(3-methyl-2-phenyl-, diperchlorate Cas:93835-19-9 Molecular Formula:1H-Imidazo(1,2-a)pyridin-4-ium, 1,1-(1,2-ethanediyl)bis(3-methyl-2-phenyl-, diperchlorate