pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.25	IUPAC digitized pKa	1	0	O=C1CC[NH+]=C2NCCN12	O=C1CCN=C2NCCN12	mol7992	O=C1CCN=C2NCCN12