2-[3-(1,3-Diethyl-1,3-dihydro-5-trifluoromethyl-2H-benzimidazol-2-ylidene)-1-propenyl]-1,3-diethyl-5-trifluoromethyl-1H-benzimidazol-3-ium

2-[3-[1,3-diethyl-1,3-dihydro-5-(trifluoromethyl)-2H-benzimidazol-2-ylidene]-1-propenyl]-1,3-diethyl-5-(trifluoromethyl)-1H-benzimidazolium