pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.83	AttenGpKa training set	0	-1	N#CCN[N+](=O)[O-]	N#CC[N-][N+](=O)[O-]	mol27826	N#CCN[N+](=O)[O-]