pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
13.01	IUPAC digitized pKa	0	-1	c1ccc(CC2=NCCCN2)cc1	c1ccc([CH-]C2=NCCCN2)cc1,c1ccc(CC2=NCCC[N-]2)cc1	mol4105	c1ccc(CC2=NCCCN2)cc1