33687-03-5 4-Imidazolidinone, 5-(4-(3-ethylnaphtho(2,1-d)thiazol-2(3H)-ylidene)-2-butenylidene)-3-heptyl-1-phenyl-2-thioxo- 5-(4-(3-Ethylnaphtho(2,1-d)thiazol-2(3H)-ylidene)-2-butenylidene)-3-heptyl-1-phenyl-2-thioxoimidazolidin-2-one EINECS 251-635-7