1-Carboxy-7-(dimethylamino)-3,4-dihydroxyphenoxazin-5-ium chloride; 7-Dimethylamino-4-hydroxy-3-oxo-phenoxazine-1-carboxylic acid; FAST VIOLET; GALLOCYANIN; CI NO 51030; CHROME BLUE GCB; CI 51030; ALIZARIN BLUE RBN; C.I. Mordant Blue 10; Phenoxazinium, 1-carboxy-7-(dimethylamino)-3,4-dihydroxy-, chloride (1:1); Phenoxazin-5-ium, 1-carboxy-7-(dimethylamino)-3,4-dihydroxy-, chloride