The molecular formula C2O4 (molar mass: 88.02 g/mol) may refer to:
- Oxalate (ethanedioate)
- Dioxetanediones:
- 1,2-Dioxetanedione (1,2-dioxetane-3,4-dione)
- 1,3-Dioxetanedione (1,3-dioxetane-2,4-dione)
This set index page lists chemical structure articles associated with the same molecular formula.
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