pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.78	AttenGpKa training set	-1	-2	CC1C=C(C(=O)[O-])OC(C(=O)O)=C1	CC1C=C(C(=O)[O-])OC(C(=O)[O-])=C1	mol22581	CC1C=C(C(=O)O)OC(C(=O)O)=C1
4.0	AttenGpKa training set	-1	-2	CC1C=C(C(=O)[O-])OC(C(=O)O)=C1	CC1C=C(C(=O)[O-])OC(C(=O)[O-])=C1	mol22581	CC1C=C(C(=O)O)OC(C(=O)O)=C1