Help Does anyone have info on Xylasol or Ketasol?

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I work for two vets who have Xylasol and Ketasol stocked in a fridge, both used for anesthesia and putting down animals. It would therefore be fairly easy to get once I decide my time has come, DEPENDING on how it works on the human body. Unfortunately I couldn't find much information online so I came here to ask if anyone knows more about it.