pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.19	IUPAC digitized pKa	1	0	COc1ccc2ccc([NH3+])cc2c1	COc1ccc2ccc(N)cc2c1	mol2107	COc1ccc2ccc(N)cc2c1
4.19000005722046	QSARToolbox	1	0	COc1ccc2ccc([NH3+])cc2c1	COc1ccc2ccc(N)cc2c1	mol2107	COc1ccc2ccc(N)cc2c1