Related Terms. 1  annual gross income. 2  exclusion ratio. 3  gift tax. 4  creditable coverage. 5  annual exclusion. 6  mutually exclusive investment decisions. 7  foreign housing exclusion. 8  mutual exclusion doctrine. 9  low exercise price option (LEPO). 10  foreign earned income exclusion.
Methaqualone was first synthesized in India in 1955 by scientists trying to find a cure for malaria. The drug was ineffective against the disease, but not as a central nervous system depressant â and if a user could resist its sedative effects, a user could get high.
Methadone was introduced into the United States in 1947 by Eli Lilly and Company as an analgesic under the trade name Dolophine, which is now registered to Roxane Laboratories. Since then, it has been best known for its use in treating opioid dependence.