英文别名1-hydroxy-4-(5-pyridin-4-yl-1,2,4-triazol-3-ylidene)pyridine; 4-[3-(4-pyridyl)-1H-1,2,4-triazol-5-yl]pyridinium-1-olate; 4,4'-(1H-[1,2,4]triazole-3,5-diyl)-bis-pyridine 1-oxide; Pyridine, 4-[5-(4-pyridinyl)-1H-1,2,4-triazol-3-yl]-, 1-oxide; Topirastat impurity 4; 4-[5-(1-oxido-4-pyridinyl)-1H-1,2,4-triazol-3-yl]Pyridine; Topiroxostat impurity H; Pyridine, 4-[5-(1-oxido-4-pyridinyl)-1H-1,2,4-triazol-3-yl]-; Tuobisite Impurity 15; Tuobisite Impurity 44 
