pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.5	IUPAC digitized pKa	1	0	C[C@@H]1N2CCC[NH+]1Cc1ccccc12	C[C@H]1N2CCCN1c1ccccc1C2	mol8397	CC1N2CCCN1c1ccccc1C2