58712-69-9 5H-(1)Benzopyrano(2,3-b)pyridin-5-one, 9-chloro-7-(1H-tetrazol-5-yl)- 9-Chloro-5-oxo-7-(1H-tetrazol-5-yl)-5H-(1)benzopyrano(2,3-b)pyridine 9-Chloro-7-(1H-tetrazol-5-yl)-5H-(1)benzopyrano(2,3-b)pyridin-5-one 9-Chloro-7-(1H-tetrazol-5-yl)-5H-(1)benzopyrano(2,3-b)pyridine-5-one Traxanox Traxanox [INN] Traxanox sodium Traxanoxum [INN-Latin]