pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.3	IUPAC digitized pKa	1	0	COc1cccc(N[NH3+])c1,COc1cccc([NH2+]N)c1	COc1cccc(NN)c1	mol8857	COc1cccc(NN)c1
5.30000019073486	QSARToolbox	1	0	COc1cccc(N[NH3+])c1,COc1cccc([NH2+]N)c1	COc1cccc(NN)c1	mol8857	COc1cccc(NN)c1