pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.7	IUPAC digitized pKa	0	-1	O=C1NCNC(=O)N1	O=C1[N-]C(=O)NCN1,O=C1[N-]CNC(=O)N1	mol9030	O=C1NCNC(=O)N1