pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.0	Datawarrior	0	-1	O=C(NOC(=O)c1ccccc1)c1ccccc1	O=C([N-]OC(=O)c1ccccc1)c1ccccc1	mol14964	O=C(NOC(=O)c1ccccc1)c1ccccc1