The molecular formula C2H2N2O (molar mass: 70.05 g/mol, exact mass: 70.0167 u) may refer to:
- Oxadiazoles
- Furazan (1,2,5-oxadiazole)
- 1,3,4-Oxadiazole
This set index page lists chemical structure articles associated with the same molecular formula.
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