Design and SAR of thienopyrimidine and thienopyridine inhibitors of VEGFR-2 kinase activityMichael J. Munchhof; Jean S. Beebe; Jeffery M. Casavant; Beth A. Cooper; Jonathan L. Doty; R.Carla Higdon; Stephen M. Hillerman; Catherine I. Soderstrom; Elisabeth A. Knauth; Matthew A. Marx; Ann Marie K. Rossi; Susan B. Sobolov; Jianmin Sun · 2004