subcutaneous injection of nicotine bitartrate ( 10-15 mg/kg ) , veratrine sulfate ( 0.5-1.0 mg/kg ) , emetine dihydrochloride ( 40-80 mg/kg ) and oral administration of copper sulfate ( 20-100 mg/kg ) caused dose-dependent emesis in suncus .
C0038720
sulfate
C0056301
copper