Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Chemical structures of purvalanol B (3), sunitinib (4), dasatinib (5) (the modified compounds for NHS-sepharose affixing are 6, 7, and 8, respectively) CTx-0294885 (9), and the Kuster compound 19 (KC19; 10). The highlighted NH2 moieties represent the point of NHS-sepharose bead attachment.
