pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.92	AttenGpKa training set	0	-1	CO/N=C(C)/C(C)=N/O	CO/N=C(C)/C(C)=N/[O-]	mol31511	CO/N=C(C)/C(C)=N/O