pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.28	IUPAC digitized pKa	0	-1	O=C([O-])C#CC[NH+]1CCNCC1,O=C([O-])C#CCN1CC[NH2+]CC1	O=C([O-])C#CCN1CCNCC1	mol8577	O=C(O)C#CCN1CCNCC1
2.78	IUPAC digitized pKa	2	1	O=C(O)C#CC[NH+]1CC[NH2+]CC1	O=C([O-])C#CC[NH+]1CC[NH2+]CC1	mol8577	O=C(O)C#CCN1CCNCC1