pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.77	IUPAC digitized pKa	2	1	CC[NH+](CC[N+]1(C)CCCCC1)c1ccccc1	CCN(CC[N+]1(C)CCCCC1)c1ccccc1	mol2211	CCN(CC[N+]1(C)CCCCC1)c1ccccc1