pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
14.85	AttenGpKa training set	0	-1	C1CN=C2NCCCN2C1	C1CN=C2[N-]CCCN2C1	mol8002	C1CN=C2NCCCN2C1
11.22	IUPAC digitized pKa	1	0	C1CNC2=[NH+]CCCN2C1	C1CN=C2NCCCN2C1	mol8002	C1CN=C2NCCCN2C1