pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.46	Datawarrior	0	-1	O=C(O)CCC(=O)c1ccc(-c2ccccc2)cc1	O=C([O-])CCC(=O)c1ccc(-c2ccccc2)cc1	mol15455	O=C(O)CCC(=O)c1ccc(-c2ccccc2)cc1
4.51	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=C(O)CCC(=O)c1ccc(-c2ccccc2)cc1	O=C([O-])CCC(=O)c1ccc(-c2ccccc2)cc1	mol15455	O=C(O)CCC(=O)c1ccc(-c2ccccc2)cc1