pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.69	AttenGpKa training set	1	0	CNCc1c[nH+]c2ccccn12,C[NH2+]Cc1cnc2ccccn12	CNCc1cnc2ccccn12	mol26413	CNCc1cnc2ccccn12