pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.6	AttenGpKa training set	1	0	N=C(N)CC[NH3+],NCCC(N)=[NH2+]	N=C(N)CCN	mol27999	N=C(N)CCN
7.5	QSARToolbox	2	1	NC(=[NH2+])CC[NH3+]	N=C(N)CC[NH3+],NCCC(N)=[NH2+]	mol27999	N=C(N)CCN