靛红酸酐

4-甲基苯甲酰胺肟

5-(2-nitro-phenyl)-3-p-tolyl-[1,2,4]oxadiazole

3-(N-hydroxy-4-methyl-benzimidoyl)-2-methyl-3H-quinazolin-4-one

2-ethyl-3-(N-hydroxy-4-methyl-benzimidoyl)-3H-quinazolin-4-one