Synonyms: AC1O5N4Q;3-Ethyl-2-(3-(3-ethyl-2-thiazolidinylidene)-1-propenyl)-2-thiazolinium, p-toluenesulfonate;(2E)-3-ethyl-2-[(E)-3-(3-ethyl-4,5-dihydro-1,3-thiazol-3-ium-2-yl)prop-2-enylidene]-1,3-thiazolidine; 4-methylbenzenesulfonate;67874-23-1;Thiazolium, 3-ethyl-2-(3-(3-ethyl-2-thiazolidinylidene)-1-propen-1-yl)-4,5-dihydro-, 4-methylbenzenesulfonate (1:1);Thiazolium, 3-ethyl-2-(3-(3-ethyl-2-thiazolidinylidene)-1-propenyl)-4,5-dihydro-, salt with 4-methylbenzenesulfonic acid (1:1)