EXHIBIT 10.58 THIRD AMENDMENT TO CONSULTING AGREEMENT This THIRD AMENDMENT TO CONSULTING AGREEMENT (the "Amendment") is made as of the 1st day of January 1997 (the "Effective Date"), by and between JOHN M. PIETRUSKI, an individual residing at 27...Consulting Agreement • March 11th, 1997 • Texas Biotechnology Corp /De/ • Biological products, (no disgnostic substances) • New York
VIA COURIER) re: License and Research Development Agreement dated October 11, 1994 Dear David, I refer to the License and Research Development Agreement between Texas Biotechnology Corporation ("TBC") and Synthelabo S.A. ("Synthelabo") dated October...License and Research Development Agreement • March 11th, 1997 • Texas Biotechnology Corp /De/ • Biological products, (no disgnostic substances)
