5 PHARMACEUTICAL PREPARATIONS, NAMELY, PHOTSENSITISING AND LIGHSENSITIVE AGENTS; PHARMACEUTICAL PREPARATIONS FOR USE IN THE DIAGNOSIS OF NORMAL AND ABNORMAL TISSUE AND FOR ALTERATION OF NORMAL TISSUE AND TREATMENT OF ABNORMAL TISSUE; PHARMACEUTICAL PREPARATIONS FOR USE IN PHOTODYNAMIC THERAPY FOR DIAGNOSIS OF NORMAL TISSUE AND TREATMENT OF ABNORMAL TISSUE; MEDICAL DRESSING IN THE FORM OF BANDAGES, PLASTERS, PATCHES AND DRESSINGS FOR USE IN THE DIAGNOSIS OF NORMAL AND ABNORMAL TISSUE AND FOR ALTERATION OF NORMAL TISSUE AND TREATMENT OF ABNORMAL TISSUE; PHOSENSITSING AGENTS IN THE FORM OF CREAM, OINTMENT , LOTION, TABLET, CAPSULE, EMULSION, ORAL SOLUTION, SOLUTION FOR INFUSION, PATCH AND INJECTION FOR THE DIAGNOSIS OF NORMAL AND ABNORMAL TISSUE AND TREATMENT OF ABNORMAL TISSUE