<unk>  (or aminopyrine, amidopyrine, Pyramidon) is a pyrazolone with analgesic, anti-inflammatory, and antipyretic properties but has risk of agranulocytosis. A breath test with 13C-labeled aminopyrine has been used as a non-invasive measure of cytochrome P-450 metabolic activity in liver function tests. It is also used in measuring the total body water in the human body system. Production and use have been banned in France, Thailand and India.
Aminophenazone
Mycophenolic acid
Ciclosporin
Tibolone
Azathioprine
Cyclophosphamide
Cephalosporin
Prednisolone