phenylthiocarbamide

/F IY0 N AH0 L TH IY0 AA0 K AA0 R B AE1 M AY0 D/
noun
  1. 1

    The N-phenyl derivative of carbamide; it is either tasteless or has a bitter taste, depending on the genetic makeup of the person tasting it

Source: https://en.wiktionary.org/wiki/phenylthiocarbamide