pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.14	IUPAC digitized pKa	1	0	CC(C)CCNc1nccc[nH+]1,CC(C)CC[NH2+]c1ncccn1	CC(C)CCNc1ncccn1	mol7474	CC(C)CCNc1ncccn1