TASK DEFINITION: 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.
PROBLEM: Development of hypoxia-inducible factor (HIF)-1α inhibitors: effect of ortho-carborane substituents on HIF transcriptional activity under hypoxia.

SOLUTION: ortho-carborane

PROBLEM: COX-1 and COX-2 inhibition in horse blood by phenylbutazone, flunixin, carprofen and meloxicam: an in vitro analysis.

SOLUTION: carprofen

PROBLEM: In vivo and in vitro anti-inflammatory potential of pentahydroxy-pregn-14-ol, 20-one-β-d-thevetopyranoside in rats.

SOLUTION:
pentahydroxy-pregn-14-ol, 20-one-β-d-thevetopyranoside