pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.9399996	OCHEM	0	-1	Cn1c(O)ccnc1=O	Cn1c([O-])ccnc1=O	mol32713	Cn1c(O)ccnc1=O