pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.1	AttenGpKa training set	0	-1	O=[N+]([O-])c1ccc2[nH]c[n+]([O-])c2c1	O=[N+]([O-])c1ccc2[n-]c[n+]([O-])c2c1	mol26466	O=[N+]([O-])c1ccc2[nH]c[n+]([O-])c2c1
