pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.1	AttenGpKa training set	1	0	C[n+]1[nH+]cccc1[O-],C[n+]1ncccc1O	C[n+]1ncccc1[O-]	mol25689	C[n+]1ncccc1O