[pSer2, pSer5, pSer7]-CTD (TFA) is a substrate for CDK7(cyclin-dependent protein kinase), a phosphorylated polypeptide at ser2, ser5, and ser7 of RNA polymerase II carboxyl terminus (CTD).

Mercaptobenzothiazole is an organosulfur compound. Mercaptobenzothiazole is used in rubber vulcanization.

Tubulin Inhibitor 11 is a potent, orally active agent that inhibits tubulin by targeting the Colchicine binding site. It impedes tubulin polymerization, leading to mitotic blockade and apoptosis.