pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.5	IUPAC digitized pKa	1	0	Cc1ccccc1C[NH+](CCCl)CCCl	Cc1ccccc1CN(CCCl)CCCl	mol6248	Cc1ccccc1CN(CCCl)CCCl