pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.46	IUPAC digitized pKa	1	0	O[C@@H]1NC=[NH+]c2cccnc21,O[C@@H]1NC=Nc2ccc[nH+]c21	O[C@@H]1NC=Nc2cccnc21	mol8013	OC1NC=Nc2cccnc21