pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.9499998	OCHEM	0	-1	[NH3+]CCC=CC(=O)[O-]	NCCC=CC(=O)[O-]	mol32402	NCCC=CC(=O)O
3.8299999	OCHEM	1	0	[NH3+]CCC=CC(=O)O	[NH3+]CCC=CC(=O)[O-]	mol32402	NCCC=CC(=O)O