pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.52	OCHEM	0	-1	NC(=O)C#CC#CC=CC(=O)O	NC(=O)C#CC#CC=CC(=O)[O-]	mol32452	NC(=O)C#CC#CC=CC(=O)O