(5-甲基-1,2,4-噁唑-3-基)甲醇

5-(叔丁氧基羰基氨基-甲基)-异噁唑-3-羧酸乙酯

ethyl 2-isoxazolidine-3-carboxylate

ethyl 5,6,7,8-tetrahydro-4H-cyclohepta[d]isoxazole-3-carboxylate

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