pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.56	IUPAC digitized pKa	1	0	CCCO[NH+]=Cc1ccccn1,CCCON=Cc1cccc[nH+]1	CCCON=Cc1ccccn1	mol3812	CCCON=Cc1ccccn1