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N-[4-[(4-Amino-3-sulfonatophenyl)(4-ethylamino-3-methyl-5-sodiosulfophenyl)methylene]-2-sodiosulfo-2,5-cyclohexadien-1-ylidene]aminium Structure

N-[4-[(4-Amino-3-sulfonatophenyl)(4-ethylamino-3-methyl-5-sodiosulfophenyl)methylene]-2-sodiosulfo-2,5-cyclohexadien-1-ylidene]aminium