1-(p-Chlorophenyl)-5-(3-pyridyl)-1H-1,2,3-triazole 110684-29-2 3-(1-(4-Chlorophenyl)-1H-1,2,3-triazol-5-yl)pyridine BRN 6650834 Pyridine, 3-(1-(4-chlorophenyl)-1H-1,2,3-triazol-5-yl)-