AMENDMENT NO. 1 TO MARKETING, SALES AND DISTRIBUTION RIGHTS AGREEMENT Amendment No. 1 is made and entered into as of the date of the last signature on the signature page below ("Amendment No. 1"), by and among Rhone-Poulenc Rorer Pharmaceuticals Inc....Marketing, Sales and Distribution Rights Agreement • October 2nd, 1998 • Guilford Pharmaceuticals Inc • Pharmaceutical preparations
