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]: A low toxicity maintenance regime, using eicosapentaenoic acid and readily available drugs, for mantle cell lymphoma and other malignancies with excess cyclin D1 levels.
[A]: eicosapentaenoic acid


[Q]: The ATP required for potentiation of skeletal muscle contraction is released via pannexin hemichannels.
[A]: ATP


[Q]: Maqui berry (Aristotelia chilensis) and the constituent delphinidin glycoside inhibit photoreceptor cell death induced by visible light.
[A]:
delphinidin glycoside