malic acid COMPOUNDDESCRIPTIONno description SMILES: C(C(C(=O)[O-])O)C(=O)[O-] SMILES: C(C(C(=O)O)O)C(=O)O Your Options: Update the Compound: POST with (required) compoundName and (optional) compoundDescription. Delete the Compound: DELETE.