Methaqualone

Methaqualone Hydrochloride; Optimil; Quaalude; Wallace Brand of Methaqualone Hydrochloride; Hydrochloride, Methaqualone
A quinazoline derivative with hypnotic and sedative properties. It has been withdrawn from the market in many countries because of problems with abuse. (From Martindale, The Extra Pharmacopoeia, 30th ed, p604)