SYNTHESIS, PROPERTIES AND STRUCTURE OF IRON(III) COMPLEX-COMPOUNDS WITH 1-(BENZENE SULFOACID-3)-3-METHYL-4-(5-CHLORO-2-HYDROXYBENZENESULFOACID-3)-AZOPYRAZOLONE-5 ArticleZAITSEV B.E., PRONKIN P.P., ZAITSEVA V.A.Russian Journal of Inorganic Chemistry. Vol. 36. 1991. P.. 3124-3128
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