Synonyms: 20387-34-2;AC1L3HMV;3,3'-Diethyl-5,5',9'-trimethylthiacarbocyanine tosylate;3-ethyl-2-[3-(3-ethyl-5-methyl-1,3-benzothiazol-2(3h)-ylidene)-2-methylprop-1-en-1-yl]-5-methyl-1,3-benzothiazol-3-ium 4-methylbenzenesulfonate;3-ethyl-2-[3-(3-ethyl-5-methyl-1,3-benzothiazol-3-ium-2-yl)-2-methylprop-2-enylidene]-5-methyl-1,3-benzothiazole; 4-methylbenzenesulfonate;Benzothiazolium, 3-ethyl-2-(3-(3-ethyl-5-methyl-2(3H)-benzothiazolylidene)-2-methyl-1-propen-1-yl)-5-methyl-, 4-methylbenzenesulfonate (1:1);Benzothiazolium, 3-ethyl-2-(3-(3-ethyl-5-methyl-2(3H)-benzothiazolylidene)-2-methyl-1-propenyl)-5-methyl-, salt with 4-methylbenzenesulfonic acid (1:1)