pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.65	Datawarrior	0	-1	O=C(/C=N/O)/C=N/O	O=C(/C=N/[O-])/C=N/O	mol12470	O=C(/C=N/O)/C=N/O