pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.95	IUPAC digitized pKa	0	-1	Nc1c(N=Nc2ccccc2C(=O)O)cc(S(=O)(=O)O)c2ccccc12	Nc1c(N=Nc2ccccc2C(=O)O)cc(S(=O)(=O)[O-])c2ccccc12,Nc1c(N=Nc2ccccc2C(=O)[O-])cc(S(=O)(=O)O)c2ccccc12	mol12178	Nc1c(N=Nc2ccccc2C(=O)O)cc(S(=O)(=O)O)c2ccccc12