 Chemical compounds produced by this company were often known by their manufacturing code which consisted of the abbreviation WIN (for Winthrop) followed by a number.For example, WIN 18,320 was nalidixic acid, the first quinolone antibiotic.The Company was established in 1901 (then called "Neuralgyline Co.") in Wheeling, West Virginia, by Albert H. Diebold and William E. Weiss, a pharmacist.