The molecular formula C4H6O3 may refer to:
- Acetic anhydride
- Acetoacetic acid
- Dioxanones
- trans-4-Hydroxycrotonic acid
- α-Ketobutyric acid
- 2-Methyl-3-oxopropanoic acid
- Methyl pyruvate
- Propylene carbonate
- Succinic semialdehyde
This set index page lists chemical structure articles associated with the same molecular formula.
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