pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.09	Caine	0	-1	COc1ccc(C(=O)C2C(=O)CCCC2=O)c(Cl)c1	COc1ccc(C(=O)[C-]2C(=O)CCCC2=O)c(Cl)c1	mol2708	COc1ccc(C(=O)C2C(=O)CCCC2=O)c(Cl)c1