pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.2	Baltruschat ChEMBL	0	-1	O=C(O)Cc1ccccc1Nc1cccc(Cl)c1Cl	O=C([O-])Cc1ccccc1Nc1cccc(Cl)c1Cl	mol20842	O=C(O)Cc1ccccc1Nc1cccc(Cl)c1Cl
