Some advanced glazing systems can change their visible light transmittance, solar heat gain coefficient, and other properties. 1  Liquid crystal windows change from clear to frosted or dark when a voltage is applied by a control system, improving their privacy but not changing their solar heat gain.
Probenecid, also sold under the brandname Probalan, is a medication that increases uric acid excretion in the urine. It is primarily used in treating gout and hyperuricemia.
Pharmacy review: Metronidazole and adverse drug reactions. Metronidazole (1H-imidazole-1-ethanol, 2-methyl-5-nitro-) is an organic compound that is sparingly soluble in water. A crystalline powder, white to pale yellow in color, it darkens on exposure to light.