Penthrox inhaler: The Penthrox inhaler is a hand-held inhaler used for self-administration of methoxyflurane for pain relief. It is manufactured and marketed by Medical Developments International (Melbourne, Victoria, Australia),Diethyl ether peroxideFluoride toxicityEnfluraneEnol etherHalothaneBiotransformation: Biotransformation is the chemical modification (or modifications) made by an organism on a chemical compound. If this modification ends in mineral compounds like CO2, NH4+, or H2O, the biotransformation is called mineralisation.Nitrous oxide and oxygen: A mix of nitrous oxide 50% and oxygen 50% is a medical analgesic gas, commonly known as Entonox (a registered trademark of BOC) or Nitronox, or colloquially as "gas and air", and is frequently used in pre-hospital care, childbirth and emergency medicine situations by medical professionals such as doctors, nurses, midwives and paramedics.SecobarbitalDimethoxyethaneSodium oxalate: http://chem.sis.Paracervical block: A paracervical block is an anesthetic procedure used in obstetrics and gynecology, in which a local anesthetic is injected into between two to six sites at a depth of 3–7 mm alongside the vaginal portion of the cervix in the vaginal fornices.paracervical block By Robert Nadelberg.Inhalational anaesthetic: An inhalational anaesthetic is a chemical compound possessing general anaesthetic properties that can be delivered via inhalation. They are administered by anaesthetists (a term which includes anaesthesiologists, nurse anaesthetists, and anaesthesiologist assistants) through an anaesthesia mask, laryngeal mask airway or tracheal tube connected to an anaesthetic vaporiser and an anaesthetic delivery system.Carbon–fluorine bondNational Dental Board of Anesthesiology: The National Dental Board of Anesthesiology (NDBA) is an American professional association established in 2001 by the American Dental Society of Anesthesiology. Based in Chicago, NDBA is the world's largest national dental board devoted to sedation and anesthesia.PhenobarbitalPhenol–chloroform extraction: Phenol–chloroform extraction is a liquid-liquid extraction technique in biochemistry and molecular biology for purifying nucleic acids and eliminating proteins. In brief, aqueous samples are mixed with equal volumes of a phenol:chloroform mixture.Trifluoromethylation: Trifluoromethylation in organic chemistry describes any organic reaction that introduces a trifluoromethyl group in an organic compound. Trifluoromethylated compounds are of some importance in pharma and agrochemicals.