pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.5	Datawarrior	-3	-4	O=C([O-])/C=C/C([O-])=C/C(=O)CC(=O)[O-]	O=C([O-])/C=C/C([O-])=C/C(=O)[CH-]C(=O)[O-]	mol13325	O=C(O)/C=C/C(O)=C/C(=O)CC(=O)O