<unk>  <unk>  is a dye used in liver function tests. Determining the rate of removal of the dye from the blood stream gives a measure of liver function.
Bromsulphthalein
Tritoqualine
Demecarium bromide
Dexpanthenol
Benzalkonium chloride
Benzoctamine
Tiemonium iodide
Pyridinium chlorochromate