单词	ethyl acetoacetate
释义	ethyl acetoacetate noun : a colorless liquid ester with pleasant odor important for its tautomerism [keto form CH3COCH2COOC2H5, enol form CH3C(OH)=CHCOOC2H5] and for the numerous condensations it can undergo called also acetoacetic ester Word History First Known Use 1873, in the meaning defined above
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