(along with a product line including  Alka-Seltzer ,  Flintstones vitamins  and One-A-Day vitamins, and Cutter insect repellent ). In 1994, Bayer AG purchased Sterling Winthrop's  over-the-counter  drug business from  SmithKline Beecham  and merged it with Miles Laboratories, thereby reacquiring the U.S. and Canadian trademark rights to "Bayer" and the Bayer cross,