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.

[Q]: Relative expression of cholesterol transport-related proteins and inflammation markers through the induction of 7-ketosterol-mediated stress in Caco-2 cells.
[A]: cholesterol


[Q]: Desvenlafaxine succinate identifies novel antagonist binding determinants in the human norepinephrine transporter.
[A]: norepinephrine


[Q]: Impaired expression of the uncoupling protein-3 gene in skeletal muscle during lactation: fibrates and troglitazone reverse lactation-induced downregulation of the uncoupling protein-3 gene.
[A]:
troglitazone