pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.19	IUPAC digitized pKa	0	-1	Cn1cnc2[nH]c(=O)cnc2c1=O	Cn1cnc2[n-]c(=O)cnc2c1=O	mol10110	Cn1cnc2[nH]c(=O)cnc2c1=O
6.1900001	OCHEM	0	-1	Cn1cnc2[nH]c(=O)cnc2c1=O	Cn1cnc2[n-]c(=O)cnc2c1=O	mol10110	Cn1cnc2[nH]c(=O)cnc2c1=O