five clinically available 1,4-benzodiazepines ( bdzs ) ( chlordiazepoxide , diazepam , oxazepam , nitrazepam , and clonazepam ) and four investigational 1,4-bdzs ( bdz i , bdz ii , bdz iii , and bdz iv ) were tested in vivo for minimal neurotoxicity ( td50 ) and for ability to obtund seizures ( ed50 ) induced by a battery of five well-standardized procedures ( maximal electroshock , strychnine , pentylenetetrazol , bicuculline , and picrotoxin ) .
C0012010
diazepam
C0029997
oxazepam