. . . . . "approved"@en . . . "Antipyrine"@en . . . . . . . "Fenazon"@en . . . . . . . . . "Phenazone"@en . . . . . . . "60-80-0"@en . . . . "Antipyrine is an analgesic often used to test effects of other drugs on liver enzymes.."@en . "Phenazon"@en . "Analgesine"@en . . . . . . . . . " "@en . . . "Antipyrine is thought to act primarily in the CNS, increasing the pain threshold by inhibiting both isoforms of cyclooxygenase, COX-1, COX-2, and COX-3 enzymes involved in prostaglandin (PG) synthesis."@en . "Andreas Burgard, \"Xanthine-and phenazone-acesulfame-H complexes having improved taste, process for their preparation and their use.\" U.S. Patent US20030008865, issued January 09, 2003."@en . . . "An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29)"@en . . . . . . "Fenazona"@en . . . "Humans and other mammals"@en . . . "1,2-Dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one"@en . . "Antipyrine"@en . "2,3-Dimethyl-1-phenyl-5-pyrazolone"@en .