EXHIBIT 10.39 Void after 5:00 p.m. New York Time May 27, 2006 NEXELL THERAPEUTICS INC. f/k/a VIMRX PHARMACEUTICALS INC. Common Stock Purchase Warrant THIS WARRANT AND THE SHARES OF COMMON STOCK ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN...Common Stock Purchase Warrant • June 29th, 1999 • Vimrx Pharmaceuticals Inc • Pharmaceutical preparations • Delaware
