pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.415	AttenGpKa training set	1	0	C[n+]1c[nH+]c2nccnc2c1[O-],C[n+]1cnc2nccnc2c1O	C[n+]1cnc2nccnc2c1[O-]	mol26208	C[n+]1cnc2nccnc2c1O