pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.38000011444092	QSARToolbox	-1	-2	CC1(C)[C@@H](C(=O)O)CC[C@H]1C(=O)[O-]	CC1(C)[C@@H](C(=O)[O-])CC[C@H]1C(=O)[O-]	mol34926	CC1(C)[C@@H](C(=O)O)CC[C@H]1C(=O)O