Date de première autorisation: (comprimé 500 mg) 17/09/1984; (comprimé 200 mg) 20/06/1984; (comprimé 100 mg) 01/09/1974; (crème 1%) 01/05/1979; (crème 2%) 31/08/1983; (crème 10%) 15/06/1988.
Datum van eerste verlening van de vergunning: (tablet 500 mg) 17/09/1984; (tablet 200 mg) 20/06/1984; (tablet 100 mg) 01/09/1974; (crème 1%) 01/05/1979; (crème 2%) 31/08/1983; (crème 10%) 15/06/1988.