additional, the benzodiazepine ring is bonded at r5 to a 2-chlorinated phenyl ring. r7 on the benzyl ring can be substituted using a chlorine group. diclazepam also incorporates an oxygen group double bonded to r2 of its diazepine ring to kind a ketone. this oxygen substitution at r2 is shared with other benzodiazepine medication with the suffix -a