pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.14	IUPAC digitized pKa	0	-1	O=C(O)C[C@H]1NC(=O)Nc2nccnc21	O=C([O-])C[C@H]1NC(=O)Nc2nccnc21	mol10607	O=C(O)CC1NC(=O)Nc2nccnc21