di- + phenyl + hydrogen + allantoin
1937, in the meaning defined above
diphenylguanidine
diphenylhydantoin
diphenyl ketone
“Diphenylhydantoin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diphenylhydantoin. Accessed 8 Nov. 2024.
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