pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.80000019073486	QSARToolbox	0	-1	CCOC(=O)C(=O)NC(=O)OC(C)(C)C	CCOC(=O)C(=O)[N-]C(=O)OC(C)(C)C	mol35841	CCOC(=O)C(=O)NC(=O)OC(C)(C)C