5-(4-pyridyl)-4-(p-tolyl)-4H-1,2,4-triazole-3-thiol;5-pyridin-4-yl-4-p-tolyl-2,4-dihydro-[1,2,4]triazole-3-thione;4-(4-methylphenyl)-5-pyridin-4-yl-4H-1,2,4-triazole-3-thiol;5-Pyridin-4-yl-4-p-tolyl-4H-[1,2,4]triazole-3-thiol;
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