1-Ethyl-2-(2-((1-ethylnaphtho(1,2-d)thiazol-2(1H)-ylidene)methyl)-1-buten-1-yl)naphtho(1,2-d)thiazolium bromide 3028-94-2 EINECS 221-195-0 Ethyl-stains-all NSC 119680 Naphtho(1,2-d)thiazolium, 1-ethyl-2-(2-((1-ethylnaphtho(1,2-d)thiazol-2(1H)-ylidene)methyl)-1-butenyl)-, bromide