title: C2H4N2O2
text: # C2H4N2O2
  
  The molecular formula $C_2H_4N_2O_2$ may refer to:
  
  * 1,2-Diformylhydrazine, chemical compound with the formula $N_2H_2(CHO)_2$
  * Oxamide, organic compound with the formula $(CONH_2)_2$
  