<unk> , also known as Hemoxin, Niprisan, or Nix-0699, is a phytochemical which was studied in sickle-cell disease (SCD). As of 2017 it does not appear to be commercially available, as the only manufacturer, which was is in Nigeria, has stopped making it due to financial problems.
Nicosan
Nitrosamine
Carbon monoxide
Nitrous oxide 
Lime 
Benzene
Mers
Eoxin