pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.85	IUPAC digitized pKa	0	-1	Oc1occ2c1CCCN2,[O-]c1occ2c1CCC[NH2+]2	[O-]c1occ2c1CCCN2	mol7815	Oc1occ2c1CCCN2