Det aktive stof er deferiprone (3- hydroxy- 1, 2- dimetylpyridin- 4- et), en bidentat ligand, som binder sig til jern i molarforholdet 3: 1.
The active substance is deferiprone (3-hydroxy-1,2-dimethylpyridin-4-one), a bidentate ligand which binds to iron in a 3:1 molar ratio.