Drug delivery agents consisting of compounds that facilitate delivery of a wide range of pharmaceuticals; pharmaceutical preparations for the prevention and treatment of disorders of the nervous system, the immune system, the cardio-vascular system, the metabolic system, the respiratory system, the musculo-skeletal system, the genitourinary system, for the treatment of inflammatory disorders, for use in dermatology, oncology, hematology and in tissue and organ transplantation, in ophthalmolog...