5-甲酰基-3-甲基-4-异噁唑羧酸乙酯

(3E)-3-(1-氨基亚乙基)四氢呋喃-2,4-二酮

ethyl 5-phenylhydrazinomethine-3-methylisoxazole-4-carboxylate

3-Methyl-4H,10H<1>benzothiepino<4,3-d>isoxazol-4-one

3-Methyl-4H,10H<1>benzoxepino<4,3-d>isoxazol-4-one