lBlue mystic: Synthesised in 1986. Oral drug. Induces sense of well-being and hallucinations that can last for several hours.

lFlunitrazepam: Synthesised in the 1970s as a sedative. Induces high state of intoxication. Classified among date rape drugs for it can cause people to forget events that occur under the influence of the drug.

lLiquid ecstasy: Synthesised in the 1960s and used as general anaesthetic. Induces a state of relaxation and mild euphoria.

lSpecial K: An injectible anaesthetic drug synthesised in 1960s. Offers hallucinatory experiences that last less than an hour. In high doses, it induces an ‘out-of-body’ experience.