Other ethers like methyl propyl ether and vinyl ether are also anesthetics, but they wouldn't be called simply " ether " . talk ) 16 : 35, 12 August 2008 ( UTC)
2.
Examples of modern volatile anaesthetics that may be considered sleeping gases are halothane vapour ( Fluothane ), methyl propyl ether ( Neothyl ), methoxyflurane ( Penthrane ), and the undisclosed fentanyl derivative delivery system used by the FSB in the Moscow theater hostage crisis.