pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.0	IUPAC digitized pKa	0	-1	Cc1c(O)nc(O)n1C(N)=O	Cc1c(O)nc([O-])n1C(N)=O,Cc1c([O-])nc(O)n1C(N)=O	mol9398	Cc1c(O)nc(O)n1C(N)=O