pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.1	OCHEM	0	-1	O=C(NC1=C(c2ccoc2)C(=O)c2ccccc2C1=O)c1ccccc1	O=C([N-]C1=C(c2ccoc2)C(=O)c2ccccc2C1=O)c1ccccc1	mol19222	O=C(NC1=C(c2ccoc2)C(=O)c2ccccc2C1=O)c1ccccc1