64085-55-8

1H-Benzimidazolium,1-ethyl-2-[3-[1-ethyl-1,3-dihydro-3-[4-[(trifluoromethyl)sulfonyl]phenyl]-2H-benzimidazol-2-ylidene]-1-propenyl]-3-[4-[(trifluoromethyl)sulfonyl]phenyl]-, perchlorate