PROCESS FOR PREPARING MEDICAMENTS BASED ON PYRAZOLONE DERIVATIVES AND PROCESS FOR USING THEM AS LIPOXYGENASE INHIBITORS IN THE THERAPY OF ISCHAEMIAS AND DISORDERS IN CARDIAC RHYTM INFLAMMATIONS OF THE SKIN AND EYE AND OF RHEUMATIC ALLERGIC AND ASTHMATIC DISEASES OEDEMAS PULMONARY EMBOLISMS PULMONARY HYPERTENSION SHOCK LUNG OXYGEN INTOXICATION AND ULCERATIONS