pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.14	AttenGpKa training set	1	0	C[NH2+]c1c([N+](=O)[O-])cccc1[N+](=O)[O-]	CNc1c([N+](=O)[O-])cccc1[N+](=O)[O-]	mol23872	CNc1c([N+](=O)[O-])cccc1[N+](=O)[O-]