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Formulas which begin with C5H4N2O
All formulas are in Hill order.
- C5H4N2O (pyrazinecarboxaldehyde)
- C5H4N2O2______ (4 species)
- C5H4N2O3______ (5 species)
- C5H4N2O4______ (5 species)
- C5H4N2O5______ (2 species)
All formulas are in Hill order.