pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.0	IUPAC digitized pKa	0	-1	O=C(O)c1nc2c(=O)[nH]c(=O)[nH]c2[nH]c1=O	O=C([O-])c1nc2c(=O)[nH]c(=O)[nH]c2[nH]c1=O	mol10049	O=C(O)c1nc2c(=O)[nH]c(=O)[nH]c2[nH]c1=O
9.9	IUPAC digitized pKa	-3	-4	O=C(O)c1nc2c(=O)[n-]c(=O)[n-]c2[n-]c1=O,O=C([O-])c1nc2c(=O)[nH]c(=O)[n-]c2[n-]c1=O,O=C([O-])c1nc2c(=O)[n-]c(=O)[nH]c2[n-]c1=O,O=C([O-])c1nc2c(=O)[n-]c(=O)[n-]c2[nH]c1=O	O=C([O-])c1nc2c(=O)[n-]c(=O)[n-]c2[n-]c1=O	mol10049	O=C(O)c1nc2c(=O)[nH]c(=O)[nH]c2[nH]c1=O
5.98	IUPAC digitized pKa	-1	-2	O=C([O-])c1nc2c(=O)[nH]c(=O)[nH]c2[nH]c1=O	O=C([O-])c1nc2c(=O)[nH]c(=O)[nH]c2[n-]c1=O,O=C([O-])c1nc2c(=O)[nH]c(=O)[n-]c2[nH]c1=O,O=C([O-])c1nc2c(=O)[n-]c(=O)[nH]c2[nH]c1=O	mol10049	O=C(O)c1nc2c(=O)[nH]c(=O)[nH]c2[nH]c1=O