pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.2	IUPAC digitized pKa	1	0	c1ccc2c(c1)n[nH+]c1ccccc12	c1ccc2c(c1)nnc1ccccc12	mol5043	c1ccc2c(c1)nnc1ccccc12
2.20000004768372	QSARToolbox	1	0	c1ccc2c(c1)n[nH+]c1ccccc12	c1ccc2c(c1)nnc1ccccc12	mol5043	c1ccc2c(c1)nnc1ccccc12