Ethanedioic acid bis[N'-[(2-hydroxyphenyl)methylene] hydrazide];N,N'-Bis(salicylideneamino)oxamide;Oxalic acid bis(N'-salicylidene hydrazide);Oxalic acid bis[N'-(2-hydroxybenzylidene) hydrazide];Oxalic acid bis[N'-[(2-hydroxyphenyl)methylene] hydrazide]
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