1,2,4-Triazine, 3-methoxy-5,6-di-2-pyridinyl- 5,6-Di-2-pyridyl-3-methoxy-as-triazine 5-26-19-00029 (Beilstein Handbook Reference) 69466-68-8 BRN 1134795 as-Triazine, 5,6-di-2-pyridyl-3-methoxy-