pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.8	Datawarrior	0	-1	O=C(O)[C@@H]1CCCC[C@@H]1O	O=C([O-])[C@@H]1CCCC[C@@H]1O	mol12942	O=C(O)[C@@H]1CCCC[C@@H]1O