pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.85	IUPAC digitized pKa	0	-1	Cc1nn2c(C)n[nH]c2nc1=O	Cc1nn2c(C)n[n-]c2nc1=O	mol9716	Cc1nn2c(C)n[nH]c2nc1=O