the benzodiazepines midazolam , chlordiazepoxide , diazepam and n-desmethyldiazepam , the cyclopyrrolone zopiclone and the triazolopyridazine cl 218,872 had qualitatively similar stimulus effects regardless of the type of consequence ( food presentation or stimulus-shock termination ) that maintained responding .
C0005064
benzodiazepines
C0008188
chlordiazepoxide