pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.21	Datawarrior	0	-1	CC(=O)N1CCC[C@@H]1C(=O)O	CC(=O)N1CCC[C@@H]1C(=O)[O-]	mol14261	CC(=O)N1CCCC1C(=O)O