In this task, you are given a sentence. You are expected to recognize the name of any form of chemical substances. Although there might be several correct answers, you need to write one of them.

[EX Q]: Induction of heparin-binding EGF-like growth factor and activation of EGF receptor in imatinib mesylate-treated squamous carcinoma cells.
[EX A]: imatinib

[EX Q]: Stimulation of N-methyl-D-aspartate receptors modulates Jurkat T cell growth and adhesion to fibronectin.
[EX A]: N-methyl-D-aspartate

[EX Q]: Analysis of coenzyme binding by human placental 3 beta-hydroxy-5-ene-steroid dehydrogenase and steroid 5----4-ene-isomerase using 5'-[p-(fluorosulfonyl)benzoyl]adenosine, an affinity labeling cofactor analog.
[EX A]:
3 beta-hydroxy-5-ene-steroid