5-甲基-3-苯基-4-异恶唑甲酸

3-硝基苯甲醛肟

氯化间硝基苯并氢肟基

5-methyl-3-(3-nitrophenyl)-1,2-oxazole-4-carboxylic acid

methyl-3-(3-fluorophenyl)-5-methylisoxazol-4-carboxylate