pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.73	OCHEM	0	-1	O=C1NC(=O)C2(CC2)C(=O)N1	O=C1[N-]C(=O)C2(CC2)C(=O)N1	mol31811	O=C1NC(=O)C2(CC2)C(=O)N1
8.72999954223633	QSARToolbox	0	-1	O=C1NC(=O)C2(CC2)C(=O)N1	O=C1[N-]C(=O)C2(CC2)C(=O)N1	mol31811	O=C1NC(=O)C2(CC2)C(=O)N1