5 Chemical preparations for pharmaceutical or medical purposes, namely, for preventing or treating Alzheimer's disease, acromegaly, cancer, coronary syndromes, diabetes, diseases of the intestines, endometriosis, erectile dysfunction, glaucoma, growth hormone deficiency, hypoglycemia, myocardial infarction, Parkinson's disease, neurological diseases, rheumatic diseases, microbial diseases, virus infections and skin diseases; Diagnostic preparations for medical or veterinary purposes; Pharmaceutical preparations for preventing or treating Alzheimer's disease, acromegaly, cancer, coronary syndromes, diabetes, diseases of the intestines, endometriosis, erectile dysfunction, glaucoma, growth hormone deficiency, hypoglycemia, myocardial infarction, Parkinson's disease, neurological diseases, rheumatic diseases, microbial diseases, virus infections and skin diseases; vaccines