pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.3	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=C(O)Cc1cn(-c2ccccc2)nc1-c1ccc(Cl)cc1	O=C([O-])Cc1cn(-c2ccccc2)nc1-c1ccc(Cl)cc1	mol21777	O=C(O)Cc1cn(-c2ccccc2)nc1-c1ccc(Cl)cc1