The word "lupetazin" has a unique spelling that can be explained through its International Phonetic Alphabet (IPA) transcription: /luːpɛtæzɪn/. The first syllable "lu" is pronounced as "loo" with a long "u" sound, followed by "pe" with a short "e" sound. The last syllable "tazin" is pronounced with a short "a" sound and a z sound that is similar to the "zz" sound in "pizza". This complex spelling may make pronunciation difficult for some, but nonetheless, "lupetazin" remains a valid word.
A white crystalline powder, resembling piperazin in its therapeutic action.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.