1-(2,4-Dinitrophenyl)pyridiniuM Chloride, 1-(2,4-dinitrophenyl)pyridinium chloride,Zincke salt, (2,4-dinitrophenyl)pyridine,chloride, N-(2,4-Dinitrophenyl)pyridinium chloride, Zincke Salt, (2,4-Dinitrophenyl)pyridinium chloride, Pyridinium,1-(2,4-dinitrophenyl)-,chloride