Salicylic acid 4-aminosalicylic acid, sandulpiride, and landetimide (via Salethamide). Salicylic acid was one of the original starting materials for making acetylsalicylic acid (aspirin) in 1897. Bismuth subsalicylate, a salt of bismuth and salicylic acid, is the active ingredient in stomach relief aids such as Pepto-Bismol, is the main ingredient of Kaopectate and "displays anti-inflammatory action (due to salicylic acid) and also acts as an antacid and mild antibiotic". Other derivatives include methyl salicylate used as a liniment to soothe joint and muscle pain and choline salicylate used topically to relieve the pain of mouth ulcers. Salicylic acid has the formula CH(OH)COOH, where
Erucic acid surfactants or lubricants, and can be used as a precursor to biodiesel fuel. Derivatives of erucic acid have many further uses, such as behenyl alcohol (CH(CH)OH), a pour point depressant (enabling liquids to flow at a lower temperature), and silver behenate, for use in photography. The name 'erucic' means: of or pertaining to "Eruca"; which is a genus of flowering plants in the family Brassicaceae. It is also the Latin for colewort, which today is better known as arugula. Erucic acid is produced naturally (together with other fatty acids) across a great range of green plants, but especially so in