72927-90-3 Benzoic acid, 5-((3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-chloro-4-(dimethylamino)phenyl)methyl)-2-hydroxy-3-methyl-, disodium salt Disodium 5-((3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2-chloro-4-(dimethylamino)phenyl)methyl)-2-hydroxy-3-methylbenzoate EINECS 277-031-3