108-30-5
丁二酸酐
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613-92-3
苯甲酰胺肟
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22020-64-0
3-phenyl-5-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)ethyl]-1,2,4-oxadiazole
888-71-1
3,5-Diphenyl-1,2,4-oxadiazole