含有一个三键的炔烃、加氢后的产物结构简式为:     这种炔烃

含有一个三键的炔烃、加氢后的产物结构简式为:

    这种炔烃的名称为

A5-甲基-3-乙基-1-己炔           B5-甲基-3-乙基-2-己炔

C4-甲基-5-乙基-2-己炔           D2-甲基-4-乙基-5-己炔

答案

A

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