pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.9	IUPAC digitized pKa	0	-1	Cn1c(=O)[nH]c2nc(C(=O)O)c(=O)[nH]c2c1=O	Cn1c(=O)[nH]c2nc(C(=O)[O-])c(=O)[nH]c2c1=O	mol10509	Cn1c(=O)[nH]c2nc(C(=O)O)c(=O)[nH]c2c1=O
7.52	IUPAC digitized pKa	-1	-2	Cn1c(=O)[nH]c2nc(C(=O)[O-])c(=O)[nH]c2c1=O	Cn1c(=O)[nH]c2nc(C(=O)[O-])c(=O)[n-]c2c1=O,Cn1c(=O)[n-]c2nc(C(=O)[O-])c(=O)[nH]c2c1=O	mol10509	Cn1c(=O)[nH]c2nc(C(=O)O)c(=O)[nH]c2c1=O
10.2	IUPAC digitized pKa	-2	-3	Cn1c(=O)[nH]c2nc(C(=O)[O-])c(=O)[n-]c2c1=O,Cn1c(=O)[n-]c2nc(C(=O)[O-])c(=O)[nH]c2c1=O	Cn1c(=O)[n-]c2nc(C(=O)[O-])c(=O)[n-]c2c1=O	mol10509	Cn1c(=O)[nH]c2nc(C(=O)O)c(=O)[nH]c2c1=O