pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.31	AttenGpKa training set	0	-1	O=C(O)n1cccn1	O=C([O-])n1cccn1	mol25264	O=C(O)n1cccn1