{{DISPLAYTITLE:C<sub>4</sub>H<sub>4</sub>O<sub>3</sub>}}{{Related molecular formulas|C=4|H=4|O=3}} The molecular formula '''C<sub>4</sub>H<sub>4</sub>O<sub>3</sub>''' (molar mass: 100.07 g/mol) may refer to:
* [[5-Hydroxy-2(5H)-furanone|5-Hydroxy-2(5''H'')-furanone]] * [[Succinic anhydride]] * [[Tetronic acid]]
{{MolFormIndex}} [[Category:Molecular formulas]]