C4H4O2
The molecular formula C4H4O2 may refer to:
- Cyclobutanediones
- Cycloprop-2-ene carboxylic acid
- Diketene
- Dioxins
- 2-Furanone
- Methyl propiolate
- Tetrolic acid
This set index page lists chemical structure articles associated with the same molecular formula.
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