pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.14	Baltruschat ChEMBL	0	-1	CCOC(=O)c1nn(C)nc1O	CCOC(=O)c1nn(C)nc1[O-]	mol19917	CCOC(=O)c1nn(C)nc1O