pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.5	IUPAC digitized pKa	0	-1	NCCC[C@H]1NC(=O)NC1=O	NCCC[C@H]1NC(=O)[N-]C1=O,NCCC[C@H]1[N-]C(=O)NC1=O	mol9801	NCCCC1NC(=O)NC1=O
8.8	IUPAC digitized pKa	1	0	[NH3+]CCC[C@H]1NC(=O)NC1=O	NCCC[C@H]1NC(=O)NC1=O	mol9801	NCCCC1NC(=O)NC1=O