pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.82	OCHEM	1	0	CNC(=[NH+][N+](=O)[O-])N(C)C	CNC(=N[N+](=O)[O-])N(C)C	mol33226	CNC(=N[N+](=O)[O-])N(C)C