The molecular formula C5H8O3 may refer to:
- Butylene carbonates
- Hydroxyethyl acrylate
- α-Ketoisovaleric acid
- α-Ketovaleric acid
- Levulinic acid
- 3-Oxopentanoic acid
- Tetrahydro-2-furoic acid
This set index page lists chemical structure articles associated with the same molecular formula.
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