The primary targets of toxicity included the bone marrow, lymphoreticular system, testes, the gastrointestinal tract and, at higher doses, which were lethal to 60 % to 100 % of rats and dogs tested, degeneration of the retina occurred.
Toksični učinki so prizadeli predvsem kostni mozeg, limforetikularni 60 sistem, testise in prebavila. V večjih odmerkih, ki so povzročili smrt pri 60 % do 100 % testiranih podgan in psov, pa se je pojavila degeneracija mrežnice.