pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.0	Datawarrior	0	-1	O=C(O)CCc1nnnn1-c1ccccc1	O=C([O-])CCc1nnnn1-c1ccccc1	mol14532	O=C(O)CCc1nnnn1-c1ccccc1