pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.22	AttenGpKa training set	0	-1	OC1=NCC=CN1	[O-]C1=NCC=CN1,OC1=NCC=C[N-]1	mol31092	OC1=NCC=CN1