pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.6	Datawarrior	0	-1	CCCC1(Br)C(=O)NC(=O)NC1=O	CCCC1(Br)C(=O)[N-]C(=O)NC1=O	mol13902	CCCC1(Br)C(=O)NC(=O)NC1=O
6.5999999	OCHEM	0	-1	CCCC1(Br)C(=O)NC(=O)NC1=O	CCCC1(Br)C(=O)[N-]C(=O)NC1=O	mol13902	CCCC1(Br)C(=O)NC(=O)NC1=O
6.59999990463257	QSARToolbox	0	-1	CCCC1(Br)C(=O)NC(=O)NC1=O	CCCC1(Br)C(=O)[N-]C(=O)NC1=O	mol13902	CCCC1(Br)C(=O)NC(=O)NC1=O