Definition of Controlled Substance Schedules . Examples of Schedule III narcotics include: products containing not more than 90 milligrams of codeine per. Aug 2, - Schedule III/IIIN Controlled Substances (3/3N) carisoprodol (Soma), clonazepam (Klonopin), clorazepate (Tranxene), diazepam (Valium). As the drug schedule changes-- Schedule II, Schedule III, etc., so does the abuse A Listing of drugs and their schedule are located at Controlled Substance Act Xanax, Soma, Darvon, Darvocet, Valium, Ativan, Talwin, Ambien, Tramadol.