Enflurane is an outdated halogenated ether that was commonly used for inhalation anesthesia during the 1970's and 1980's. It vaporizes readily, but is a liquid at room temperature.

GoldBamboo

... ENFLURANE (Ethrane®) is used for general anesthesia during surgery and cesarean section. In addition to controlling pain and making you unconscious, general anesthesia control the body''s reaction to stress and relieves fear and anxiety associated with surgery. You may receive more than one kind of anesthesia during your surgery or procedure. General anesthesia is commonly used for extensive and long surgeries, but also can be used in shorter and limited procedures. Generic enflurane inhalation liquid is available. ...
Drug Digest - more...

Enflurane Systematic (IUPAC) name 2-chloro-1-(difluoromethoxy) ...
Wikipedia - [full article]

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