pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.25	QSARToolbox	0	-1	O=C(O)[C@H]1C[C@H]2CCC[C@H]2C1	O=C([O-])[C@H]1C[C@H]2CCC[C@H]2C1	mol38595	O=C(O)C1CC2CCCC2C1