Tylenol (n.)youdaoicibaDictYouDict[Tylenol 词源字典]
introduced 1955 as the name of an elixir for children, trade name originally registered by McNeil Laboratories, Philadelphia, Pa., from elements abstracted from N-acetyl-para-aminophenol, the chemical name of its active compound.[Tylenol etymology, Tylenol origin, 英语词源]