pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.5	QSARToolbox	0	-1	N=C(N/N=C/Cc1ccccc1)N[N+](=O)[O-]	N=C([N-][N+](=O)[O-])N/N=C/Cc1ccccc1	mol36482	N=C(N/N=C/Cc1ccccc1)N[N+](=O)[O-]