Wiktionary
methitural
n. A barbiturate derivative used as an ultra-short-acting intravenous anesthetic.
Wikipedia
Methitural
Methitural ( INN; Neraval, Thiogenal), or methitural sodium, also known as methioturiate, is a barbiturate derivative which was marketed in the 1950s in Europe (in Germany and Italy) as an ultra-short-acting intravenous anesthetic.