During the observation the following toxic symptoms were found: accelerated respiration, clonic and toxic convulsions, motility disturbances in the hind legs, lower muscle tonus. The absorption index in rats was 4.2. In dogs, injected subcutaneously with 4 mg/kg, the changes occurred one hour after the treatment. The animals began vomiting, colonic and tonic convulsions of body and limbs muscles appeared. The movement was slow and phlegmatic. When stimulated by force, they became aggressive. On the following day the animals restored their normal behavior. No lethality was noted. After oral administration of doses of 15-25 mg/kg, the dogs showed no external symptoms of toxicity.