pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.9	AttenGpKa training set	0	-1	C/C(I)=C/C(=O)O	C/C(I)=C/C(=O)[O-]	mol22468	C/C(I)=C/C(=O)O