英文别名Topiroxostat Impurity 18; N-[[amino(pyridin-4-yl)methylidene]amino]-2-cyanopyridine-4-carboxamide; 4-Pyridinecarboxylic acid, 2-cyano-, 2-(imino-4-pyridinylmethyl)hydrazide; Tuobisite Impurity 23; Topiroxostat impurity 09; n'-(2-Cyanoisonicotinoyl)isonicotinohydrazonamide; 2-Cyano-N’-(imino(pyridin-4-yl)etbyl)isonicotinohydrazide 
