pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.2	IUPAC digitized pKa	0	-1	CCOC(=O)/C(=N/O)C(C)=O	CCOC(=O)/C(=N/[O-])C(C)=O	mol9775	CCOC(=O)/C(=N/O)C(C)=O