1 EXHIBIT 4.2 MATRITECH, INC. INVESTOR RELATIONS WARRANT AGREEMENT Dated: July 14, 2000 THIS WARRANT AGREEMENT (this "AGREEMENT") dated July 14, 2000 is made and entered into by and between Matritech, Inc., a corporation organized under the laws of...Warrant Agreement • August 25th, 2000 • Matritech Inc/De/ • In vitro & in vivo diagnostic substances • Massachusetts
