3H-1,2,4-Triazole-3-thione, 2,4-dihydro-4-methyl-5-(4-pyridinyl)-
4H-1,2,4-Triazole-3-thiol, 4-methyl-5-(4-pyridyl)-
2,4-Dihydro-4-methyl-5-(4-pyridinyl)-3H-1,2,4-triazole-3-thione
4-Methyl-3-γ-pyridyl-1,2,4-triazoline-5-thione
4-Methyl-5-(pyridin-4-yl)-4H-[1,2,4]triazole-3-thiol