已知a 是一种相对分子质量为28的气态烃现以a为主要原料合成一种具有果香�的物质e分子式为c4h8o2其合成路线如下图所示请回答下列 Template




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tomski已知a 是一种相对分子质量为28的气态烃现以a为主要原料合成一种具有果香�的物质e分子式为c4h8o2其合成路线如下图所示请回答下列 coloring