pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.59	AttenGpKa training set	1	0	NC(=[NH2+])c1ccccc1O	NC(=[NH2+])c1ccccc1[O-]	mol30500	N=C(N)c1ccccc1O