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3,4,4-TRICHLORO-N(1),N(1),N(1),N(1)-TETRAETHYL-2-NITRO-1,3-BUTADIENE-1,1-DIAMINE 3,4,4-TRICHLORO-N(1),N(1),N(1),N(1)-TETRAETHYL-2-NITRO-1,3-BUTADIENE-1,1-DIAMINE