Denatonium, in its marketed form “Bitrex, ” has held the Guinness World Record for bitterest substance for half a century.

苯甲地那铵的市场推广形式是“甲酸苄铵酰胺”，半个世纪以来，它一直是吉尼斯世界纪录最苦物质的保持者。