Antimony-The metal antimony symbolizes the animal nature or wild spirit of man and nature, and it was often symbolized by the wolf.
Arsenic - was widely used by early alchemists and was also sometimes represented by the image of a swan.
Bismuth-Although mentioned in alchemical texts it is uncertain what role Bismuth played in alchemical processes.
Copper is one of the seven metals of alchemy (gold, silver, mercury, copper, lead, iron & tin).
Source from great site : http://www.ancient-symbols.com