pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.0600004196167	QSARToolbox	-1	-2	CCCC1(CC)C(=O)[N-]C(=O)NC1=O	CCCC1(CC)C(=O)[N-]C(=O)[N-]C1=O	mol35191	CCCC1(CC)C(=O)NC(=O)NC1=O