** FILE ** Offices of the Merck & Co. plant in Rahway, N.J., Merck's oldest plant, are seen in this July 19, 2002 file photo. The Food and Drug Administration rejected Merck & Co.'s request to market a successor to its withdrawn arthritis drug Vioxx in the United States, the drugmaker said Friday, April 27, 2007. (AP Photo/Mike Dere, file)