1-Amino-3,5-bis(4-pyridyl)-1H-1,2,4-triazole 1H-1,2,4-Triazol-1-amine, 3,5-bis(4-pyridyl)- 1H-1,2,4-Triazole, 1-amino-3,5-bis(4-pyridyl)- 4923-06-2