pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.26000022888184	QSARToolbox	2	1	NC(=[NH2+])SCC[NH3+]	N=C(N)SCC[NH3+],NCCSC(N)=[NH2+]	mol28010	N=C(N)SCCN
7.5	AttenGpKa training set	2	1	NC(=[NH2+])SCC[NH3+]	N=C(N)SCC[NH3+],NCCSC(N)=[NH2+]	mol28010	N=C(N)SCCN