1,2,4-Triazine, 3-(methylthio)-5,6-di-2-pyridinyl- 5,6-Di-2-pyridyl-3-(methylthio)-as-triazine 5-26-19-00029 (Beilstein Handbook Reference) 69466-57-5 BRN 1134797 as-Triazine, 5,6-di-2-pyridyl-3-(methylthio)-