pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.7	IUPAC digitized pKa	0	-1	Cc1nc2c([nH]c1=O)c(=O)n(C)c(=O)n2C	Cc1nc2c([n-]c1=O)c(=O)n(C)c(=O)n2C	mol11021	Cc1nc2c([nH]c1=O)c(=O)n(C)c(=O)n2C