pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.6	IUPAC digitized pKa	1	0	C1CN2CC[NH+]=C2N1	C1CN2CCNC2=N1	mol7965	C1CN2CCNC2=N1