pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.64	IUPAC digitized pKa	0	-1	O=C(O)c1ccc2nccnc2c1	O=C([O-])c1ccc2nccnc2c1	mol10936	O=C(O)c1ccc2nccnc2c1