1,1'-Diethyl-2,2'-carbocyanine chloride 1,1'-Diethyl-2,2'-quinocarbocyanine chloride 1-Ethyl-2-[3-(1-ethyl-2(1H)-quinolylidene)propenyl]quinolinium chloride 2768-90-3 NSC56808 Pinacyanochloride Pinacyanol chloride Quinaldine Blue Quinolinium, 1-ethyl-2-[3-(1-ethyl-2(1H)-quinolinylidene)-1-propenyl]-, chloride Quinolinium, 1-ethyl-2-[3-(1-ethyl-2(1H)-quinolylidene)propenyl]-, chloride Vernitest Vernitest reagent