pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.35	Datawarrior	0	-1	CCOC(=O)[C@]1(CCC(=O)O)CCC(=O)NC1=O	CCOC(=O)[C@]1(CCC(=O)[O-])CCC(=O)NC1=O	mol14876	CCOC(=O)C1(CCC(=O)O)CCC(=O)NC1=O
4.3499999	OCHEM	0	-1	CCOC(=O)[C@]1(CCC(=O)O)CCC(=O)NC1=O	CCOC(=O)[C@]1(CCC(=O)[O-])CCC(=O)NC1=O	mol14876	CCOC(=O)C1(CCC(=O)O)CCC(=O)NC1=O