1,2,4-Triazolo(4,3-b)(1,2,4)triazine, 6,7-di-2-pyridinyl-3-methyl- 1,2,4-Triazolo(4,3-b)-1,2,4-triazine, 3-methyl-6,7-bis(2-pyridyl)- 6,7-Di-2-pyridinyl-3-methyl-1,2,4-triazolo(4,3-b)(1,2,4)triazine 86870-08-8