pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.97	IUPAC digitized pKa	1	0	CCCNC(=[NH2+])Cc1ccccc1	CCCNC(=N)Cc1ccccc1	mol6237	CCCNC(=N)Cc1ccccc1