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(2007/10/02)2-Oxo-5-phenyl-[1,3,4]oxadiazole-3-carboxylic acid N-phenyl-N'-[1-phenyl-meth-(E)-ylidene]-hydrazide
2-Oxo-5-phenyl-[1,3,4]oxadiazole-3-carboxylic acid N'-phenyl-hydrazide
2-Oxo-5-phenyl-[1,3,4]oxadiazole-3-carbonyl chloride
1-benzylidene-2-methylhydrazine
benzaldehyde 2-chloroformyl-2-methylhydrazone