pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-3.72	IUPAC digitized pKa	1	0	Cc1[nH+]oc(C)c1[N+](=O)[O-]	Cc1noc(C)c1[N+](=O)[O-]	mol6729	Cc1noc(C)c1[N+](=O)[O-]