pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.93	AttenGpKa training set	0	-1	O/N=C1/C=CC=C/C1=N/O	[O-]/N=C1/C=CC=C/C1=N/O	mol31520	O/N=C1/C=CC=C/C1=N/O