Apr 28, - Common brand names for other benzodiazepines include Xanax, Librium, Klonopin, Dalmane, and Ativan. Valium can In tablet form, Valium comes in 2-, 5-, and milligram (mg) pills. Diazepam 2 mg-ESI, white, round. Jun 3, - mg. To: Alprazolam (Xanax), Chlordiazepoxide (Librium) Midazolam, lorazepam, diazepam, and phenobarbital are available in both Diazepam, >90% (range %),, A commonly cited double-blind trial suggests a conversion of 1 mg IV lorazepam to 2 mg of IV midazolam, which is further. Comparative dosages alprazolam, diazepam, lorazepam, oxazepam, temazepam, clonazepam, 1 mg/day; many patients obtain relief at 2 mg/day, as much as 10 mg/day may be required. The usual dose is 3 mg twice or three times daily.