<unk>  is an ectoparasiticide.
Flotation:
Pyrrhotite is known for flotation via the<unk>  route, whereas pentlandite forms the metal xanthate.[clarification needed]
Dixanthogen
Formothion
Hermaphrodite
Demegestone
Hydrotalcite
Dermatophyllum
Phlyctenule
Phanquinone