pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.35	IUPAC digitized pKa	1	0	O[C@@H]1NC=[NH+]c2cnccc21,O[C@@H]1NC=Nc2c[nH+]ccc21	O[C@@H]1NC=Nc2cnccc21	mol8015	OC1NC=Nc2cnccc21