<unk>  is an anthelmintic. Its brand name is Flutelmium which is a paste manufactured by Janssen Pharmaceutica N.V. used by veterinarians for protection against internal parasites and worms in dogs and cats. Other brand names are Flubenol, Biovermin, and Flumoxal.
It is also available for human use to treat worm infections.  It is available OTC (without prescription) in Europe.
Flubendazole
Mebendazole
Albendazole
Triclabendazole
Praziquantel
Pyrantel pamoate
Trichlormethiazide
Ivermectin 