pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.3	Baltruschat ChEMBL	0	-1	COC(=O)N1CCc2c(O)noc2C1	COC(=O)N1CCc2c([O-])noc2C1	mol21112	COC(=O)N1CCc2c(O)noc2C1