Molecular Formula: C30H27BrN2S2 Formula Weight: 559.58
1-Ethyl-2-[3-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1,2-d]thiazolium bromide;3,3′-Diethyl-9-methyl-4,5,4′,5′-dibenzothiacarbocyanine