pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.52	IUPAC digitized pKa	1	0	C=CC[NH2+]c1ncccn1,C=CCNc1nccc[nH+]1	C=CCNc1ncccn1	mol6986	C=CCNc1ncccn1