pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.0	IUPAC digitized pKa	0	-1	CCCCN=Cc1ccccc1O,CCCC[NH+]=Cc1ccccc1[O-]	CCCCN=Cc1ccccc1[O-]	mol11607	CCCCN=Cc1ccccc1O