ethyl 3-methoxy-4-methyl-5-isoxazolecarboxylate
3-methoxy-4-methyl-isoxazole-5-carboxylic acid ethyl ester ethyl 3-methoxy-4-methyl-1,2-oxazole-5-carboxylate ethyl 3-methoxy-4-methyl-1,2-oxazol-5-carboxylat
éthyle3-méthoxy-4-méthyl-1,2-oxazole-5-carboxylate エチル=3-メトキシ-4-メチル-1,2-オキサゾール-5-カルボキシラー
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