pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.7	IUPAC digitized pKa	0	-1	Cc1ncc2ncc(O)nc2n1	Cc1ncc2ncc([O-])nc2n1	mol4821	Cc1ncc2ncc(O)nc2n1
1.68	IUPAC digitized pKa	1	0	Cc1ncc2ncc(O)nc2[nH+]1,Cc1nc2nc(O)cnc2c[nH+]1,Cc1ncc2ncc(O)[nH+]c2n1,Cc1ncc2[nH+]cc(O)nc2n1	Cc1ncc2ncc(O)nc2n1	mol4821	Cc1ncc2ncc(O)nc2n1