pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.2	OCHEM	0	-1	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1C	Cc1cc([N+](=O)[O-])c([O-])c([N+](=O)[O-])c1C	mol20783	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1C