pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.75	QSARToolbox	1	0	C[NH+]1CCCN1C(=O)c1ccccc1,CN1CCCN1C(=[OH+])c1ccccc1	CN1CCCN1C(=O)c1ccccc1	mol38280	CN1CCCN1C(=O)c1ccccc1