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]: Anti-adipogenic diarylheptanoids from Alnus hirsuta f. sibirica on 3T3-L1 cells.
[A]: diarylheptanoids


[Q]: In vivo activity of the potent oxytocin antagonist on uterine activity in the rat.
[A]: oxytocin


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