<unk>  (RIF), also known as Compound Huangdai, is a medication used to treat acute promyelocytic leukemia. Effectiveness appears similar to arsenic trioxide. It is generally used together with all-trans-retinoic acid (ATRA). It is taken by mouth. Side effects may include abdominal pain and rash. It is made up of a combination of<unk>  (tetra-arsenic tetra-sulfide),<unk><unk> , root of Salvia miltiorrhiza, and root of Pseudostellaria heterophylla. It works by breaking down the cancer protein retinoic acid receptor alpha.<unk>  was developed in the 1980s and approved for medical use in China in 2009. It is on the World Health Organization's List of Essential Medicines. It is made in China and was originally a herbal remedy. It is not approved in either the United States or Europe .
Realgar/Indigo naturalis
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Ergoloid
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