methods for the determination of salicylazosulphapyridine ( salazopyrin ( r ) ) , sulphapyridine , n-acetylsulphapyridine , sulphapyridine-o-glucuronide and n-acetylsulphapyridine-o-glucuronide in serum and urine have been developed .
C0036078
salicylazosulphapyridine
C0699547
salazopyrin