pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.07	IUPAC digitized pKa	0	-1	C[C@H]1NC(=O)NC1=O	C[C@H]1[N-]C(=O)NC1=O,C[C@H]1NC(=O)[N-]C1=O	mol9187	CC1NC(=O)NC1=O