Text this: Pheromone synthesis. Part 244: Synthesis of the racemate and enantiomers of (11Z,19Z)-CH503 (3-acetoxy-11,19-octacosadien-1-ol), a new sex pheromone of male Drosophila melanogaster to show its (S)-isomer and racemate as bioactive

             ___      ______   _    _    _____    
  ____      / _ \\   /_   _// | || | || |  __ \\  
 |    \\   / //\ \\    | ||   | || | || | |  \ || 
 | [] ||  |  ___  ||  _| ||   | \\_/ || | |__/ || 
 |  __//  |_||  |_|| /__//     \____//  |_____//  
 |_|`-`   `-`   `-`  `--`       `---`    -----`   
 `-`