I. skupina
alfentanil N-/1-/2-/4 ethyl-4,5 dihydro-5-oxo-1H-tetrazol-1-yl/ /-4 methoxymethyl/ -4-piperidinyl/ -N-phenylpropanamid monohydrochlorid
metamfetamín /+/-2-metylamino-1-fenylpropan.