TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 31ZPAG "Synthetic Analgesics," Oxford, Pergamon Press, 1966 Volume(issue)/page/year: 2,131,1966