pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.2	AttenGpKa training set	0	-1	O=c1c2ccccc2nc(-c2ccccc2)n1O	O=c1c2ccccc2nc(-c2ccccc2)n1[O-]	mol31455	O=c1c2ccccc2nc(-c2ccccc2)n1O