<unk>  is a heavy metal chelator that is FDA approved for the treatment of patients with transfusional iron overload due to thalassemia syndromes when current chelation therapy is inadequate. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include urine discoloration, nausea, vomiting and abdominal pain, alanine aminotransferase increased, arthralgia and neutropenia.
Deferiprone
Indigotindisulfonate
Succimer
Trioxsalen
Chenodiol
Deferasirox
Deferoxamine
Ferumoxytol