pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
17.51	IUPAC digitized pKa	0	-1	c1cc[nH]c1	c1cc[n-]c1	mol3856	c1cc[nH]c1
16.5	Datawarrior	0	-1	c1cc[nH]c1	c1cc[n-]c1	mol3856	c1cc[nH]c1
16.8	OCHEM	0	-1	c1cc[nH]c1	c1cc[n-]c1	mol3856	c1cc[nH]c1