Cyfystyron:

8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran Hydrochloride; 8-Amino-2-(2H-tetrazol-5-yl)-4H-1-benzopyran-4-one hydroclorid; 8-aMino-2-(1,2,3,4-tetrazol-5-yl)-4H-chroMen-4-un hydroclorid;8-aMino-2-(1H-tetrazol-5-yl)-4H-croMen hydroclorid -4-un; 8-Amino-2- (2H-tetrazol-5-yl)-4H-chromen-4-un hydroclorid; 4H-1-Benzopyran-4-un, 8-aMino-2- (2H- tetrazol-5-yl) -, hydroclorid; 8-Amino-2- (5-tetrazolyl)-4-oxo-4(H)-1-benzopyran hydroclorid; 8-Amino-4-oxo-2-(tetrazol-5 -yl)-4H-1-benzopyran HCl