Makamantuwa:

8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran Hydrochloride; 8-Amino-2- (2H-tetrazol-5-yl) -4H-1-benzopyran-4-daya hydrochloride; 8-aMino-2-(1,2,3,4-tetrazol-5-yl)-4H-chroMen-4-daya hydrochloride;8-aMino-2-(1H-tetrazol-5-yl)-4H-chroMen -4-daya hydrochloride; 8-Amino-2- (2H-tetrazol-5-yl) -4H-chromen-4-daya hydrochloride;4H-1-Benzopyran-4-daya, 8-aMino-2- (2H- tetrazol-5-yl) -, hydrochloride; 8-Amino-2- (5-tetrazolyl) -4-oxo-4 (H) -1-benzopyran hydrochloride; 8-Amino-4-oxo-2- (tetrazol-5). -yl)-4H-1-benzopyran HCl