pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.47	IUPAC digitized pKa	0	-1	COc1cc(O)ncn1	COc1cc([O-])ncn1	mol1619	COc1cc(O)ncn1
-0.1	IUPAC digitized pKa	1	0	COc1cc(O)[nH+]cn1,COc1cc(O)nc[nH+]1	COc1cc(O)ncn1	mol1619	COc1cc(O)ncn1