化學式C2H2（摩爾質量：181.83 g/mol）有多個同分異構體：
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這個同類索引頁列出了具有相同分子式的化學物（即同分異構體）條目。 除非您是有意連結至本頁，否則應將相應條目的內部連結指向正確的條目。 |
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