3-Ethyl-2-(3-(3-ethylthiazolo(4,5-b)quinolin-2(3H)-ylidene)-1-propenyl)thiazolo(4,5-b)quinolinium bromide 52762-72-8 Thiazolo(4,5-b)quinolinium, 3-ethyl-2-(3-(3-ethylthiazolo(4,5-b)quinolin-2(3H)-ylidene)-1-propenyl)-, bromide