pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.31	IUPAC digitized pKa	0	-1	O=c1[nH]nc(-c2ccccc2)c(=O)[nH]1	O=c1[n-]c(=O)c(-c2ccccc2)n[nH]1,O=c1[n-]nc(-c2ccccc2)c(=O)[nH]1	mol10949	O=c1[nH]nc(-c2ccccc2)c(=O)[nH]1