pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.3	AttenGpKa training set	0	-1	O=C(O)c1cnncc1C(=O)O	O=C([O-])c1cnncc1C(=O)O	mol9627	O=C(O)c1cnncc1C(=O)O