pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.2	IUPAC digitized pKa	1	0	N#CC[NH2+]CC#N	N#CCNCC#N	mol3072	N#CCNCC#N
0.200000002980232	QSARToolbox	1	0	N#CC[NH2+]CC#N	N#CCNCC#N	mol3072	N#CCNCC#N