THE PRESENT INVENTION RELATES TO A COMPOUND OF THE FORMULA IN ALL ITS ISOMERIC FORMS AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF, THEIR MANUFACTURE, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND THEIR USE AS MEDICAMENTS FOR THE TREATMENT AND/OR PROPHYLAXIS OF DISEASES WHICH CAN BE TREATED WITH HDL-CHOLESTEROL RAISING AGENTS, SUCH AS PREFERABLY DYSLIPIDEMIA, ATHEROSCLEROSIS AND CARDIOVASCULAR DISEASES.