pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.21	Baltruschat ChEMBL	0	-1	CCOC(=O)c1nnn(C)c1O	CCOC(=O)c1nnn(C)c1[O-]	mol19918	CCOC(=O)c1nnn(C)c1O