flunitrazepam

These are clonazepam, diazepam, flunitrazepam, lorazepam, methadone, morphine, oxazepam and temazepam.

The misuse of flunitrazepam -- sold under the brand name Rohypnol -- has been reduced, thanks to international efforts, but the report said criminals are now using gamma-Hydroxybutyric acid -- known as GHB -- or ketamine and gamma-Butyrolactone, commonly referred to as GBL.

Ghodse said stricter control measures by governments and the pharmaceutical industry had helped curb use of Rohypnol, or flunitrazepam, which is now rarely used in attacks, but newer drugs were easier to get hold of and abuse.