di·​ke·​to·​pi·​per·​a·​zine (ˌ)dī-ˌkēt-ō-pī-ˈper-ə-ˌzēn How to pronounce diketopiperazine (audio)
: a compound C4H6N2O2 that is obtainable from two molecules of glycine by dehydration and may be regarded as a cyclic dipeptide
: any of various cyclic compounds formed similarly to diketopiperazine from alpha-amino acids other than glycine or obtained by partial hydrolysis of proteins

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“Diketopiperazine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/diketopiperazine. Accessed 20 Jul. 2024.

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