pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.48	IUPAC digitized pKa	1	0	CNC1=[NH+]CCC(=O)N1C	CNC1=NCCC(=O)N1C	mol7523	CNC1=NCCC(=O)N1C