pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
13.16	IUPAC digitized pKa	0	-1	c1ncc2[nH]ccc2n1	c1ncc2[n-]ccc2n1	mol8011	c1ncc2[nH]ccc2n1
4.24	IUPAC digitized pKa	1	0	c1cc2[nH+]cncc2[nH]1,c1cc2nc[nH+]cc2[nH]1	c1ncc2[nH]ccc2n1	mol8011	c1ncc2[nH]ccc2n1