Synonyms: Benzothiazolium,2-[2-[[5-methoxy-3-(3-sulfopropyl)-2(3H)-benzoselenazolylidene]methyl]-1-butenyl]-5,6-dimethyl-3-(3-sulfopropyl)-,hydroxide, inner salt; Benzothiazolium,2-[2-[[5-methoxy-3-(3-sulfopropyl)-2-benzoselenazolinylidene]methyl]-1-butenyl]-5,6-dimethyl-3-(3-sulfopropyl)-,hydroxide, inner salt (8CI); Benzoselenazole, benzothiazolium deriv.