pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.84	IUPAC digitized pKa	1	0	O=c1[nH+]ccc2n1CCN2CCO,O=c1nccc2n1CC[NH+]2CCO	O=c1nccc2n1CCN2CCO	mol7967	O=c1nccc2n1CCN2CCO