pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.24	AttenGpKa training set	1	0	C=CCn1c[nH+]c2ccccc21	C=CCn1cnc2ccccc21	mol26398	C=CCn1cnc2ccccc21
