PentothalyoudaoicibaDictYouDict[Pentothal 词源字典]
trademark name of an anaesthetic and hypnotic, 1935, refashioning of Thiopental, from pento-, in reference to the methylbutyl five-carbon group + first two letters of thiobarbiturate + chemical product suffix -ol.[Pentothal etymology, Pentothal origin, 英语词源]