<unk>  (marketed under the brandname Trancopal or Fenaprim) is a drug used as an anxiolytic and a muscle relaxant.
Its use was discontinued in many countries from 1996 on, due to rare but serious cases of toxic epidermal necrolysis.
Chlormezanone
Vinyl bromide
Gedocarnil
Familicide
Metobromuron
Ethynodiol diacetate
Nifurtoinol
Dimethylcarbate