1H-Benzimidazolium, 2-(7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-, chloride 2-(7-(Diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-1H-benzimidazolium chloride 29556-33-0 EINECS 249-694-9