AC1MZ43N;27828-55-3;3,3'-[phthalazine-1,4-diylbis(hydrazin-2-yl-1-ylidenemethylylidene)]bis(4-nitrophenol);3-[[[4-[2-[(5-hydroxy-2-nitrophenyl)methylidene]hydrazinyl]phthalazin-1-yl]hydrazinylidene]methyl]-4-nitrophenol
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