Desenhar as formas tautoméricas do acetilacetato de etila e identificá-las
$$-\substack{|\\\ce{C}\\|}-\raise0.8em\substack{\ce{O}\\\|\\\ce{C}}-\substack{\ce{H}\\|\\\ce{C}\\|\\\ce{H}}-\raise0.8em\substack{\ce{O}\\\|\\\ce{C}}-\ce{O}-\ce{C2H5}\rightleftharpoons-\substack{|\\\ce{C}\\|}-\raise0.8em\substack{\ce{OH}\\|\\\ce{C}}-\raise0.8em\substack{\ce{H}\\|\\\ce{C}}-\raise0.8em\substack{\ce{O}\\\|\\\ce{C}}-\ce{O}-\ce{C2H5}$$
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