pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-4.2	AttenGpKa training set	2	1	C[n+]1c(O)[nH+]n(-c2ccccc2)c1O	C[n+]1c(O)nn(-c2ccccc2)c1O,C[n+]1c(O)[nH+]n(-c2ccccc2)c1[O-]	mol25479	C[n+]1c(O)nn(-c2ccccc2)c1O