pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.14	IUPAC digitized pKa	-1	-2	O=C1CNc2[n-]cnc(=O)c2N1	O=C1CNc2[n-]cnc(=O)c2[N-]1,O=C1C[N-]c2[nH]cnc(=O)c2[N-]1,O=C1C[N-]c2[n-]cnc(=O)c2N1	mol9677	O=C1CNc2[nH]cnc(=O)c2N1