pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.2	IUPAC digitized pKa	1	0	c1ccc(N[NH+]2CCOCC2)cc1	c1ccc(NN2CCOCC2)cc1	mol6062	c1ccc(NN2CCOCC2)cc1