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One new polymer, [Na(NPHSNPAB)(CH_3OH)]_n, where NPHSNPAB stands for Nphenyl-2-[2-hydroxy-3-sulfo-5-nitrophenylhydrazone]butadione-1,3, has been synthesized and characterized by ~1H NMR and FTIR spectroscopy and single-crystal X-ray diffraction. For this