pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.9	AttenGpKa training set	1	0	Cn1c[n+](O)c2ccccc21	Cn1c[n+]([O-])c2ccccc21	mol26382	Cn1c[n+](O)c2ccccc21