pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.1	Datawarrior	-1	-2	O=[N+]([O-])[N-]c1nnn[nH]1,O=[N+]([O-])Nc1nnn[n-]1	O=[N+]([O-])[N-]c1nnn[n-]1	mol13627	O=[N+]([O-])[N-]c1nnn[nH]1
6.16	AttenGpKa training set	-1	-2	O=[N+]([O-])[N-]c1nnn[nH]1,O=[N+]([O-])Nc1nnn[n-]1	O=[N+]([O-])[N-]c1nnn[n-]1	mol13627	O=[N+]([O-])[N-]c1nnn[nH]1