pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.89	OCHEM	0	-1	C=CCC1(CC)C(=O)NC(=O)NC1=O	C=CCC1(CC)C(=O)[N-]C(=O)NC1=O	mol31799	C=CCC1(CC)C(=O)NC(=O)NC1=O
11.9799995422363	QSARToolbox	-1	-2	C=CCC1(CC)C(=O)[N-]C(=O)NC1=O	C=CCC1(CC)C(=O)[N-]C(=O)[N-]C1=O	mol31799	C=CCC1(CC)C(=O)NC(=O)NC1=O