化學式C4H4O5（摩爾質量：132.07 g/mol）可能指：
- 草醯乙酸，CAS號：328-42-7
- 羥基丁烯二酸，Pubchem CID：54676101
- 環氧丁二酸，CAS號：17015-08-6
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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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