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]: Demonstration of histamine receptors on human platelets by flow cytometry.
[EX A]: histamine

[EX Q]: Neuronal expression of glucosylceramide synthase in central nervous system regulates body weight and energy homeostasis.
[EX A]: glucosylceramide

[EX Q]: Aspirin and salicylate bind to immunoglobulin heavy chain binding protein (BiP) and inhibit its ATPase activity in human fibroblasts.
[EX A]:
salicylate