pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.02	OCHEM	0	-1	O=[N+]([O-])c1c(Cl)ccc2[nH]nnc12	O=[N+]([O-])c1c(Cl)ccc2[n-]nnc12	mol26500	O=[N+]([O-])c1c(Cl)ccc2[nH]nnc12