pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.0	IUPAC digitized pKa	1	0	O=[N+]([O-])c1cccc2c1[NH+]=CN[C@H]2O	O=[N+]([O-])c1cccc2c1N=CN[C@H]2O	mol7885	O=[N+]([O-])c1cccc2c1N=CNC2O