From Wikipedia, the free encyclopedia

The molecular formula C4H4N2O2 (molar mass: 112.09 g/mol, exact mass: 112.0273 u) may refer to:

From Wikipedia, the free encyclopedia

The molecular formula C4H4N2O2 (molar mass: 112.09 g/mol, exact mass: 112.0273 u) may refer to:


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