pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.64	IUPAC digitized pKa	0	-1	COc1cncnc1O	COc1cncnc1[O-]	mol1354	COc1cncnc1O
8.6	Datawarrior	0	-1	COc1cncnc1O	COc1cncnc1[O-]	mol1354	COc1cncnc1O
8.6000004	OCHEM	0	-1	COc1cncnc1O	COc1cncnc1[O-]	mol1354	COc1cncnc1O
8.64000034332275	QSARToolbox	0	-1	COc1cncnc1O	COc1cncnc1[O-]	mol1354	COc1cncnc1O
1.75	IUPAC digitized pKa	1	0	COc1cnc[nH+]c1O,COc1c[nH+]cnc1O	COc1cncnc1O	mol1354	COc1cncnc1O