1-Ethyl-2-(3-(1-ethylnaphtho(1,2-d)thiazolin-2-ylidene)-2-methylpropenyl)naphtho(1,2-d)thiazolium chloride 989-77-5 EINECS 213-585-4 Naphtho(1,2-d)thiazolium, 1-ethyl-2-(3-(1-ethylnaphtho(1,2-d)thiazol-2(1H)-ylidene)-2-methyl-1-propenyl)-, chloride