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]: Nebulized arformoterol in patients with COPD: a 12-week, multicenter, randomized, double-blind, double-dummy, placebo- and active-controlled trial.
[EX A]: arformoterol

[EX Q]: PICK1 Deficiency Impairs Secretory Vesicle Biogenesis and Leads to Growth Retardation and Decreased Glucose Tolerance.
[EX A]: Glucose

[EX Q]: Anabolic effects of clenbuterol on skeletal muscle are mediated by beta 2-adrenoceptor activation.
[EX A]:
clenbuterol