Exhibit 10.34 FIRST AMENDMENT TO COPROMOTION AND CODEVELOPMENT AGREEMENT This FIRST AMENDMENT TO COPROMOTION AND CODEVELOPMENT AGREEMENT (this "Amendment") is made this 17th day of December, 2001, made by and between ViroPharma Incorporated, a...Copromotion and Codevelopment Agreement • February 28th, 2002 • Viropharma Inc • Pharmaceutical preparations
