Aminopyrine
Aminophenazone is a pyrazolone that is 1,2-dihydro-3H-pyrazol-3-one substituted by a dimethylamino group at position 4, methyl groups at positions 1 and 5 and a phenyl group at position 2. It exhibits analgesic, anti-inflammatory, and antipyretic properties. It has a role as a non-steroidal anti-inflammatory drug, a non-narcotic analgesic, an antipyretic, an environmental contaminant and a xenobiotic. It is a tertiary amino compound and a pyrazolone.